OT-2026-000087950
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000087950) never changes.
Identity and time
| Publication number | OT-2026-000087950 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7b24-91ff-eb0b3908c57e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3bf09124f35161b22233bf76c49abe9f19f0b4242b91209a72bc6bd742c68732 |
|---|---|
| Markdown | afbab3a0bac5a60cc7629f6e84d137d74859f24602a78c59b2ccb58f03d343db |
| Publication page | 1a9450aed8624c043495b0fabc3af1b9356a59f138a986d0302442f58b0f1a41 |
| Manifest | 134421fb3f8c786afb8c880f63eede26d6489f8eb59e7a392ddcbcc0068dcf06 |
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 | TtitBe/MwIu41tL2QhXp3wsi0UKdO7kOHtffsf841tVNxEargmMdNVk4EqP2cYO1XV4iKrLhBgJ716eUOMerDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:49:14.250427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087950observed 1a9450aed8624c043495b0fabc3af1b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:14.230164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087950/manifest.jsonobserved 134421fb3f8c786afb8c880f63eede26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:14.211308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087950/publication.mdobserved afbab3a0bac5a60cc7629f6e84d137d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:14.193367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087950/publication.txtobserved 3bf09124f35161b22233bf76c49abe9f...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. |
|---|