OT-2026-000055907
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000055907) never changes.
Identity and time
| Publication number | OT-2026-000055907 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7f78-8b27-dc1924db4677 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055907 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e56b09a6b94bfd56644b30cd71c2e44d48500ab5e99f2bbb920a431cc60232d |
|---|---|
| Markdown | 8a27b6fd9d4670ff845cefb9d123f5952bdf5fe57bbd62b278afee1b2ce3ad27 |
| Publication page | bd3ac3462022ebe8c506fda44a3ae88ead9aae221fe2cf89525ac53b4d6bfc87 |
| Manifest | 56ea93e6200f6d18b6701aa0d7db15d5427cd2616fbb85f561db86204f9ea118 |
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 | iPfCRbI8m3oSfolP/uQS4LDTNBR8WDLjBgQpCY0xW0zcpXizl71hmHVdmi7LEOxC5pFqVa8jxrqpoy+47NJSAQ== |
| 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
| 2026-09-17T10:51:24.637996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055907observed bd3ac3462022ebe8c506fda44a3ae88e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:24.620915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055907/manifest.jsonobserved 56ea93e6200f6d18b6701aa0d7db15d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:24.603581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055907/publication.mdobserved 8a27b6fd9d4670ff845cefb9d123f595...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:24.583744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055907/publication.txtobserved 0e56b09a6b94bfd56644b30cd71c2e44...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. |
|---|