OT-2026-000021619
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000021619) never changes.
Identity and time
| Publication number | OT-2026-000021619 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-74ba-887f-7aec3029410e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021619 |
| Status | PUBLIC |
Content hashes
| Canonical text | b77c8578dfd01bbc76b2840b818538229885812a51d320dcb0be458969afd503 |
|---|---|
| Markdown | 472e2bd6235f664f919094c5f256b8a38730b50f49a8ac0f49d17f5eb12b5537 |
| Publication page | 1703ef21c4eca0e9378f10354e8a647fc77370296503a7db03262227af68f623 |
| Manifest | 355945435aaa1ace57f66cd293f47b7d4db93f79991e9d2c7cc4f97a28d155b7 |
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 | 1NBHuw3UhiyTZdJCC/0pXmLwKDccECZTutM1gbAJcZd9Bx3tWxSNqLgKRbUnKuHxWL/C52qDBLP1lJ794ep+Aw== |
| 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
| 2026-09-17T11:54:08.675782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021619observed 1703ef21c4eca0e9378f10354e8a647f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.656679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021619/manifest.jsonobserved 355945435aaa1ace57f66cd293f47b7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.638743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021619/publication.mdobserved 472e2bd6235f664f919094c5f256b8a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.616759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021619/publication.txtobserved b77c8578dfd01bbc76b2840b81853822...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. |
|---|