OT-2026-000057208
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057208) never changes.
Identity and time
| Publication number | OT-2026-000057208 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bb-76bd-82aa-cc37b6b1bbac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057208 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2e4fe240a91b3cb96063a3d9de0d5e708d1b748907e279828119083175a74f7 |
|---|---|
| Markdown | 621bcc0934a374cd2363babf379badee0b436726e0e018bf38b10607cc80f287 |
| Publication page | 8a144b4758e8661bcea69ced65658a7f61614f676e8419d95eee24d358ad0473 |
| Manifest | 6cf02f541917dcd5ff74cfb70a732e04050e7505a4a7fc5b9553e125e0f84c2b |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | NOaEh9yXBQqFB5JvttK0a9yA9nHri5eXEnktOX+sj/esuAvHjmixdHRWT7D6Ob/VntkVPzGI1JRMRbwgV8EeDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-02T16:41:22.368898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208observed 8a144b4758e8661bcea69ced65658a7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T16:41:22.284042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/manifest.jsonobserved 6cf02f541917dcd5ff74cfb70a732e04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:22.194268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/publication.mdobserved 621bcc0934a374cd2363babf379badee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:22.103752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/publication.txtobserved b2e4fe240a91b3cb96063a3d9de0d5e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.510822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208observed 8a144b4758e8661bcea69ced65658a7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.489952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/manifest.jsonobserved 6cf02f541917dcd5ff74cfb70a732e04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.466957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/publication.mdobserved 621bcc0934a374cd2363babf379badee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:15.449483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057208/publication.txtobserved b2e4fe240a91b3cb96063a3d9de0d5e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|