OT-2026-000021680
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000021680) never changes.
Identity and time
| Publication number | OT-2026-000021680 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7313-91b0-7af730046a2d · 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-2026-000021680 |
| Status | PUBLIC |
Content hashes
| Canonical text | 904bcbfca08466670a5e266bd2ea9b081074d7d52445ca6366f35eff86fc7a9f |
|---|---|
| Markdown | 05944289654a66ff6593a2aacfc76b58493d70d8030e6728f43deaf5a8cdf85f |
| Publication page | 8539afb191302ef070ee7b4d436de6b2fb9e756515e45f8e6de2b51e533e52a8 |
| Manifest | e48e16c1c92d3dce177edc02bd3dd892792f89fd3853f3b38b38e3980c8313e0 |
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 | Gi0IuC+04LN1vKurG59RDsSDIoWxGs5GP+2lRRdEItuLsA7Ke4Rd6b7TmMa2PekSzGkrpUjB2hYs2kERmcegBw== |
| 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
| 2026-09-17T11:54:12.856719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021680observed 8539afb191302ef070ee7b4d436de6b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:12.838732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021680/manifest.jsonobserved e48e16c1c92d3dce177edc02bd3dd892...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.818977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021680/publication.mdobserved 05944289654a66ff6593a2aacfc76b58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.802002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021680/publication.txtobserved 904bcbfca08466670a5e266bd2ea9b08...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. |
|---|