OT-2026-000054564
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down
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-2026-000054564) never changes.
Identity and time
| Publication number | OT-2026-000054564 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1283-7e3c-b087-ad0e04c9b9dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054564 |
| Status | PUBLIC |
Content hashes
| Canonical text | b85821f14b55f6440dfe98e4c04a540ab18962aeb2b83c0a50f2cc51cc67e201 |
|---|---|
| Markdown | 0242c0d39f8d275326fbb85bdb0bc71edc2bcecc3982dd9480664b4236e34397 |
| Publication page | db1119e7c4dc50df456f9f18393797e5337677c1d8754b87552002cabb2f4713 |
| Manifest | 73c123db3af3514e02fb29ce53afc4932003c1f9043418ca15284685ce41312c |
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 | W/dkjd99ffBh3GTaJjRvOIc8vyWme1hgGe7MeTkV1AAqDxlIRyv5sjKp2Z+b9bY65PofFflzy27RH6nD9RnWCw== |
| 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
| 2026-10-19T20:41:22.256796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564observed db1119e7c4dc50df456f9f18393797e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T20:41:22.205661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/manifest.jsonobserved 73c123db3af3514e02fb29ce53afc493...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:22.121946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/publication.mdobserved 0242c0d39f8d275326fbb85bdb0bc71e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:22.012711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/publication.txtobserved b85821f14b55f6440dfe98e4c04a540a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:30.778418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564observed db1119e7c4dc50df456f9f18393797e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:30.695407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/manifest.jsonobserved 73c123db3af3514e02fb29ce53afc493...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:30.559047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/publication.mdobserved 0242c0d39f8d275326fbb85bdb0bc71e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:30.458884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054564/publication.txtobserved b85821f14b55f6440dfe98e4c04a540a...fetched by grabo-systems from 34.44.131.203, 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 |
|---|