OT-2026-000077994
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000077994) never changes.
Identity and time
| Publication number | OT-2026-000077994 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7744-b6a8-85c66f36a83e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28c0219f069bf7496cc767bd2051f52c8ddc4e36f4c0a1e3f3dd606b7216c6fb |
|---|---|
| Markdown | abae53e9e5ffdaa41e203c569413181dbfb0e21a6715f95473276b2f2b5455a5 |
| Publication page | eb4428c937ecde706fe5363c5a2c94eb943a6024644ff15b57a32891fb3f30aa |
| Manifest | 6efd3d791ccbfce8d0d3a44d17a91ce0e0dc99ae28d36d0ab86634fe3b4eae71 |
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 | +2zPnnsYtQ3I7ZOWzafYzCShTi3Pi+dD/9b/l2j5jzU7gIWvUqK37HnGWyj9C+PRx1DLZhTfPi5svFcwe1qKCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-29T00:41:18.860747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994observed eb4428c937ecde706fe5363c5a2c94eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:41:18.801846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/manifest.jsonobserved 6efd3d791ccbfce8d0d3a44d17a91ce0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:18.743352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/publication.mdobserved abae53e9e5ffdaa41e203c569413181d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:18.626132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/publication.txtobserved 28c0219f069bf7496cc767bd2051f52c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.716019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994observed eb4428c937ecde706fe5363c5a2c94eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.694477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/manifest.jsonobserved 6efd3d791ccbfce8d0d3a44d17a91ce0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.294106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/publication.mdobserved abae53e9e5ffdaa41e203c569413181d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:26.272001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077994/publication.txtobserved 28c0219f069bf7496cc767bd2051f52c...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 |
|---|