OT-2026-000021591
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000021591) never changes.
Identity and time
| Publication number | OT-2026-000021591 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-79ae-b5d4-46f83fed0722 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021591 |
| Status | PUBLIC |
Content hashes
| Canonical text | 698534534bfa348b7126964e74e3cbfd68a3b2ff3d2f100c0781aa5a55219e4f |
|---|---|
| Markdown | 16e0fd288fbe86531f03c5ca45517a87a26c1739ec74feb7d6a89f7b8fee80eb |
| Publication page | 5ac8b01eb7cb6b2a4b8d5b39d0b34f1922023277f7ca6da19ba99c7636e878dc |
| Manifest | 722d412d5b3128d567220b17966fa91174b0fdfdf2b4722a838b98203ded35df |
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 | 1ppQSTE8eCKxP/y4n5LN0MsbpX39mAkkjuhoqhxyV/CU5BIyXISpfVJHvSHpmrRamKrBZa++op2wWOzhvmP4AQ== |
| 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
| 2026-09-17T11:55:30.813990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021591observed 5ac8b01eb7cb6b2a4b8d5b39d0b34f19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.795021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021591/manifest.jsonobserved 722d412d5b3128d567220b17966fa911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.775752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021591/publication.mdobserved 16e0fd288fbe86531f03c5ca45517a87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.757704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021591/publication.txtobserved 698534534bfa348b7126964e74e3cbfd...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
| Custody package | Pending Custody packages are produced weekly. |
|---|