OpenTechnical

OT-2026-000030258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030258) never changes.

Identity and time

Publication numberOT-2026-000030258 · never reused
Internal UUID01a0ae73-e500-75f6-9e8d-4c00f1daedf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030258
StatusPUBLIC

Content hashes

Canonical text1a93d9182d3198d381702611e12c1fb0a10b024d2ad33bb3be80a078b6c450c8
Markdown61ec56bb61b9cf7332e4eb19d3958c182b16afc1cb5aa8171ac37d738f8fbe8b
PDF
Publication page5128f315272f77f62afe2ab38da0f97296579e79e2b583be356753520491656a
Manifestcc35be934011f13a258f50ccc1f4a0a422b6bcaa7f47aa4a9598518ece58071b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureqVG0+/9nKnklLidTXkJw7uM3WzBmWSCpqy5fAAA2xHxCzT4uwWx9Ymo5Z3j11K3+HDl96HOlmr8YpFrvIRw4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:45.267393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258
observed 5128f315272f77f62afe2ab38da0f972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:45.250636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/manifest.json
observed cc35be934011f13a258f50ccc1f4a0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:45.232519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/publication.md
observed 61ec56bb61b9cf7332e4eb19d3958c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:45.209133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/publication.txt
observed 1a93d9182d3198d381702611e12c1fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.183194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258
observed 5128f315272f77f62afe2ab38da0f972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.163361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/manifest.json
observed cc35be934011f13a258f50ccc1f4a0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.146159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/publication.md
observed 61ec56bb61b9cf7332e4eb19d3958c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.129728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030258/publication.txt
observed 1a93d9182d3198d381702611e12c1fb0...
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 archivePending 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 packagePending Custody packages are produced weekly.