OpenTechnical

OT-2026-000040814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040814) never changes.

Identity and time

Publication numberOT-2026-000040814 · never reused
Internal UUID01a0ae79-6d10-74bb-9cdd-6c72926e9e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040814
StatusPUBLIC

Content hashes

Canonical text55be3636383109d3c72169036a362eff244de69bda72a8b1cc907fe5264ccae4
Markdown573529308b8853482aa3a4bb5ff36a79d853a9209f2eac30a9b22229a4109d9a
PDF
Publication page88559613f494d273a21144f7ab20904191a60621e70c89590c8f2afeaf23978b
Manifest908531741646c77a25a865b4adaecdf7594de4399c19427cec8fe4a7ee4ed654

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
SignatureanzezhwJtQTtp9MRBl10mclbQi03H0/Xs0C+apBQiZ/6kkcqdoH6CRL0LZKBs/UhwSQnA2LCcZNeH88lTUCNDg==
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

2026-09-17T11:20:09.435384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814
observed 88559613f494d273a21144f7ab209041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.416048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/manifest.json
observed 908531741646c77a25a865b4adaecdf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.398459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/publication.md
observed 573529308b8853482aa3a4bb5ff36a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.380929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/publication.txt
observed 55be3636383109d3c72169036a362eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.384612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814
observed 88559613f494d273a21144f7ab209041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.367300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/manifest.json
observed 908531741646c77a25a865b4adaecdf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.349658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/publication.md
observed 573529308b8853482aa3a4bb5ff36a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:35.333046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040814/publication.txt
observed 55be3636383109d3c72169036a362eff...
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.