OT-2026-000020425
Publication integrity record
Two 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-2026-000020425) never changes.
Identity and time
| Publication number | OT-2026-000020425 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7127-ad55-977d4a70b83c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020425 |
| Status | PUBLIC |
Content hashes
| Canonical text | a47db1710cb919d1f0bffcedd032c0cb1b636437779897d6741261bfc73f06b0 |
|---|---|
| Markdown | a8648c638b122f7e4b595fd50bcf1b01dc4fe28290338e5f2ec18105fcd34689 |
| Publication page | 403dfc0a63bad3e921b6434a28c7aa4b66a2a1342346f89d8d257817a58942fb |
| Manifest | 4e58b031144de1a02c2cf7214588eec75bc127e33a6b84709216434cffeb2f60 |
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 | T+xsQRWKCX4FDn7Enhgx4EnN9/z8iAp/h3zU9K/gFJj9xcnSWXIk9R9zdfeFuGpDu97EFPPkcTFxi4fbtn24Ag== |
| 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
| 2026-09-17T12:00:20.415178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425observed 403dfc0a63bad3e921b6434a28c7aa4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:20.393216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/manifest.jsonobserved 4e58b031144de1a02c2cf7214588eec7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.373343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/publication.mdobserved a8648c638b122f7e4b595fd50bcf1b01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.354293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/publication.txtobserved a47db1710cb919d1f0bffcedd032c0cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.356230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425observed 403dfc0a63bad3e921b6434a28c7aa4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.338320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/manifest.jsonobserved 4e58b031144de1a02c2cf7214588eec7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.318768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/publication.mdobserved a8648c638b122f7e4b595fd50bcf1b01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.299591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020425/publication.txtobserved a47db1710cb919d1f0bffcedd032c0cb...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. |
|---|