OT-2026-000054164
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054164) never changes.
Identity and time
| Publication number | OT-2026-000054164 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-78b9-b2ed-c006e283e6a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054164 |
| Status | PUBLIC |
Content hashes
| Canonical text | ecacd0840769f63018614f6edafcde5685f1d804bc1c5f8bf7104688aa29313f |
|---|---|
| Markdown | 5d2126a708f4f0bd7e46a57b18ad59e122003109d04e7b51b08bb72961588d1e |
| Publication page | 782b31d1455c29d8684784bd577c654202ef9358ec1e9fb7e4eac3a82fa7501e |
| Manifest | f222b6f9fb9d5e0d0c3cef06d1ceb77d7c9f7d9c760043a3cac9dd739e41e5ef |
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 | yNycI2WRrNigq8a6TwI6sfuTjKupvTbry6llHKTlwwwqxNpsff7M6mvLoaS5KrR1pIXqDZbRPwosDgPGeJ3TBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:36.677912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054164observed 782b31d1455c29d8684784bd577c6542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:36.661425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054164/manifest.jsonobserved f222b6f9fb9d5e0d0c3cef06d1ceb77d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:36.642577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054164/publication.mdobserved 5d2126a708f4f0bd7e46a57b18ad59e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:36.612987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054164/publication.txtobserved ecacd0840769f63018614f6edafcde56...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. |
|---|