OT-2026-000029189
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029189) never changes.
Identity and time
| Publication number | OT-2026-000029189 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa0-7f34-9597-f45e5635ba25 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029189 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51130812c26de7cbc8fb53335afc47e11cc1bdefa2798fb9d7a00863b9c16add |
|---|---|
| Markdown | 28e5f29affc9b4a4d221107f43bbea6bf96ef503fb296bbe087df07551e03aa1 |
| Publication page | 30f230787abbcc56126c7579d9e46c8c6f3b65517cb4d5d14b0af61b337417e4 |
| Manifest | 1fc577a3bd5b56b023fbbf0a85b87efcf6c180084bade00bcff0d079200442e6 |
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 | u/krf98Z0/wsLxJw0kVmTZ3PbtRlvLYuClwMDmAP1m7uqyaNpMLJR8ItMcgtP10p3Zbav/lY0zB2Qpn5a5FwAg== |
| 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
| 2026-10-24T00:41:44.991389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189observed 30f230787abbcc56126c7579d9e46c8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:41:44.919893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/manifest.jsonobserved 1fc577a3bd5b56b023fbbf0a85b87efc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:44.847150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/publication.mdobserved 28e5f29affc9b4a4d221107f43bbea6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:44.771304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/publication.txtobserved 51130812c26de7cbc8fb53335afc47e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:04.696137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189observed 30f230787abbcc56126c7579d9e46c8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:04.512392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/manifest.jsonobserved 1fc577a3bd5b56b023fbbf0a85b87efc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:04.201897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/publication.mdobserved 28e5f29affc9b4a4d221107f43bbea6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:03.876324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029189/publication.txtobserved 51130812c26de7cbc8fb53335afc47e1...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 |
|---|