OT-2026-000026716
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000026716) never changes.
Identity and time
| Publication number | OT-2026-000026716 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4ab-7c5c-9da7-43d2cfcdd638 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026716 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80a38d05d975f4e7df94ca4953650039b4be4a72ac290f390ea262f8b292008 |
|---|---|
| Markdown | 80de73073d242d4f443e36259ecd3e1969d79ffe54d503556f05d8b26bd8dff5 |
| Publication page | cfe9a37fe90ea24d814131ef24f058889fb26cf563d39cacf447f6e4c822f641 |
| Manifest | 6393488ae3e5f96f78252e0d274ef69d325eca77c27c1e18a3261d36673fb78e |
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 | JcL9vBA1jgU1bwP66Szi/2NbKmCreQ9SeVf0/MrO4IhaE1CxRveie7o+Vgz+wWXxfYTWovZTcxvjUoolsrzgCQ== |
| 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... |
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Independent retrieval
| 2026-10-26T04:41:57.554188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716observed cfe9a37fe90ea24d814131ef24f05888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:41:57.481829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/manifest.jsonobserved 6393488ae3e5f96f78252e0d274ef69d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:57.408310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/publication.mdobserved 80de73073d242d4f443e36259ecd3e19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:57.351769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/publication.txtobserved e80a38d05d975f4e7df94ca495365003...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:12.786034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716observed cfe9a37fe90ea24d814131ef24f05888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:12.711972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/manifest.jsonobserved 6393488ae3e5f96f78252e0d274ef69d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:12.630833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/publication.mdobserved 80de73073d242d4f443e36259ecd3e19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:12.509352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026716/publication.txtobserved e80a38d05d975f4e7df94ca495365003...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 |
|---|