OT-2026-000028172
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000028172) never changes.
Identity and time
| Publication number | OT-2026-000028172 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7b2a-8458-65507100540f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028172 |
| Status | PUBLIC |
Content hashes
| Canonical text | bec7828500aa07770620606686cca75b4789c11f60ccd7b39b41601624a3daef |
|---|---|
| Markdown | 1df5363618c3141c4e98457b9e4028cb54b1932248474a35c76cd60215af703d |
| Publication page | 9bf7b7b392a86d0c0a663f4c45a9f37554e73106b202efacd4dbb92ace358b1d |
| Manifest | 3beb94bfbdaa206c70c41320fcf3b9be25cc7892a35031cae4721f973950ae15 |
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 | 82/0j7VGmGmVBLInHyzF3M6Rx/HE6XNs/KnuoF8vfzrXm9ra5kgGrLrgIODW4zm+PvXljU8PkZCM2LaCeY4KBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-05T00:41:30.944793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172observed 9bf7b7b392a86d0c0a663f4c45a9f375...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T00:41:30.894724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/manifest.jsonobserved 3beb94bfbdaa206c70c41320fcf3b9be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:30.846472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/publication.mdobserved 1df5363618c3141c4e98457b9e4028cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:30.793766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/publication.txtobserved bec7828500aa07770620606686cca75b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.826072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172observed 9bf7b7b392a86d0c0a663f4c45a9f375...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.806547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/manifest.jsonobserved 3beb94bfbdaa206c70c41320fcf3b9be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.790029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/publication.mdobserved 1df5363618c3141c4e98457b9e4028cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.719906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028172/publication.txtobserved bec7828500aa07770620606686cca75b...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 |
|---|