OT-2026-000021273
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000021273) never changes.
Identity and time
| Publication number | OT-2026-000021273 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7120-81bd-55b6530e037f · 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-2026-000021273 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb8d430fc003f9c738a69990b661d941c77640c05df6fb448583a612cf07efb6 |
|---|---|
| Markdown | 70786f2192ef3b9701e7e8078dbca2c76199ae94d216404f0b78a54cec92581a |
| Publication page | 4eee88a4fdb9afce8dbf908042868a9547245dcb882d90a627f329a568cf670c |
| Manifest | 874ed7faca79f92be787b1ae4265fe33cf67679302b7808bf57a0d4b18bacbbf |
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 | NEI4z4FY4tF7iYBV409b9ZAVA+0fdeSNQGFgLdTqlfPlpDZMlmxrUcb2h2AzpZKcca31SJTagV5/s7QHo5CaCw== |
| 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
| 2026-09-17T11:55:06.096043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021273observed 4eee88a4fdb9afce8dbf908042868a95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:06.079144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021273/manifest.jsonobserved 874ed7faca79f92be787b1ae4265fe33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.061952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021273/publication.mdobserved 70786f2192ef3b9701e7e8078dbca2c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.044808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021273/publication.txtobserved bb8d430fc003f9c738a69990b661d941...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. |
|---|