OT-2026-000021920
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000021920) never changes.
Identity and time
| Publication number | OT-2026-000021920 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7275-8eff-eac6e6300f0b · 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-2026-000021920 |
| Status | PUBLIC |
Content hashes
| Canonical text | f279024848edc1b29545024ce0d2813451294584f26ebe4bb9f11d29af554d68 |
|---|---|
| Markdown | f6356c3dc381c0a81115bc993f76b580dbe15683d8f66b8097b37b92ebe02221 |
| Publication page | aa42c96cfe29f02769ecf99f597cf099400ccef3250313e57bc6b1d336ffe353 |
| Manifest | 08c26d668febd9ac9ac119f83d591eb4e635b8f4fe27c20686244d0745cd9733 |
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 | Y8LZMS01+BXih9aWlx6DN2HD7GZ9K5dECRQ5OdJMYyRU/N0VH4vHmSyfZ3jMMXpbuqhzfkiwXglYxhuzvfpXAw== |
| 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
| 2026-09-17T11:54:29.693618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021920observed aa42c96cfe29f02769ecf99f597cf099...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:29.676997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021920/manifest.jsonobserved 08c26d668febd9ac9ac119f83d591eb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.661003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021920/publication.mdobserved f6356c3dc381c0a81115bc993f76b580...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.643904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021920/publication.txtobserved f279024848edc1b29545024ce0d28134...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. |
|---|