OT-2026-000021531
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021531) never changes.
Identity and time
| Publication number | OT-2026-000021531 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-74ed-9d0e-56265a2be78b · 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-2026-000021531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a1ded1c4b55bdbfb563de918773018f0ae1961cde8e3cea480ab0b926e3665b |
|---|---|
| Markdown | c55b516bcf5a7eb9882dc01e6d12a3a046821d62c78e03ab60e29f8a1abb688b |
| Publication page | dc0b888a0ab122d4a7b12c06c34d62488ef42db849a5b1c3ed38164a185a2b73 |
| Manifest | b3dda4801a4f4d2ea01b03884020eee3671c1645f1d86d49a18b93f86d7a019b |
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 | 0Opz/IfaTtxOOyLVWsrgCZ2ziGys+rHdg6G61TSMx6yvaDzRa3IawZqOgim2bDD6RmWVI6WdZlg7xiR2iLDvDA== |
| 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
| 2026-09-17T11:54:50.043166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021531observed dc0b888a0ab122d4a7b12c06c34d6248...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.023450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021531/manifest.jsonobserved b3dda4801a4f4d2ea01b03884020eee3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.002336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021531/publication.mdobserved c55b516bcf5a7eb9882dc01e6d12a3a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.973689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021531/publication.txtobserved 4a1ded1c4b55bdbfb563de918773018f...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. |
|---|