OT-2026-000103664
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000103664) never changes.
Identity and time
| Publication number | OT-2026-000103664 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e462-74a4-8b7f-b7be12b20d6c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103664 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf4da1eb03bfb3e5f86da08bc55ff5b091df757bdcea59434c75dd971f80e81e |
|---|---|
| Markdown | 9514c09c60dcf4c4c5084a3d898edeff77ec4f7ce970008bcd000e088aef7bbf |
| Publication page | 8cf00eb8e8a2d77f122a5ec98e1e290fe484456e87ee5c836b624b4342221e67 |
| Manifest | 7ab5e040d8c2779f890803749b26ab2af03e56aac80d0007868420c540dfaf81 |
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 | gNPNcgu41fERidxPonvFtedmyy7Ps9CydEtDWP4zKJyAdWOLjZao2MWzjGburkZOu0+SGtkDsHoOFgYE6tnNDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:27.877755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103664observed 8cf00eb8e8a2d77f122a5ec98e1e290f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:27.860939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103664/manifest.jsonobserved 7ab5e040d8c2779f890803749b26ab2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:27.843925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103664/publication.mdobserved 9514c09c60dcf4c4c5084a3d898edeff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:27.828145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103664/publication.txtobserved cf4da1eb03bfb3e5f86da08bc55ff5b0...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. |
|---|