OT-2026-000030540
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000030540) never changes.
Identity and time
| Publication number | OT-2026-000030540 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e504-7bc1-9ee0-46d1dd781f8f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030540 |
| Status | PUBLIC |
Content hashes
| Canonical text | a70dfedaf109ccbf81f205b40e308cdbae4a99f6e45e55d1d83b092e649b04d5 |
|---|---|
| Markdown | 5e9dc355c32355cbb17ae1e31eed5d7c6bd0a1a58f5b9a7a925bb4449554da86 |
| Publication page | 5fd54d1c23509446fde0bcd9eadadc900d65ffc8b5fdb4bd72311b86c1d7f1eb |
| Manifest | 29850f4b83ff9cbcd0a72425e677964aea260b7efa76bfa27bda65bffff2b760 |
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 | EEdxzfvDZ1JZv4SWzMlbfCOi6U9PIlAM+FM2lpYaOt5t5pcWodBE4ulAwNqNq3dEF7zbsTtquyxmcWqGocmCAg== |
| 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
| 2026-09-17T11:38:24.399610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030540observed 5fd54d1c23509446fde0bcd9eadadc90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:24.382457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030540/manifest.jsonobserved 29850f4b83ff9cbcd0a72425e677964a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:24.367412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030540/publication.mdobserved 5e9dc355c32355cbb17ae1e31eed5d7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:24.351053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030540/publication.txtobserved a70dfedaf109ccbf81f205b40e308cdb...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|