OpenTechnical

OT-2026-000034471

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000034471) never changes.

Identity and time

Publication numberOT-2026-000034471 · never reused
Internal UUID01a0ae76-1ed0-7b79-9d3a-d11d057061a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034471
StatusPUBLIC

Content hashes

Canonical text6d6fa70c94e97377f177a7b4ff45ab263470c2525c830daf7b024b79ae3f75e6
Markdownb65026ae464d67e8e2e1eae26b08357c6a968e95d4f97d25adac5806002b566a
PDF
Publication pagef2ee50b3d842cb556d1c8a1c0ece2eee71b8f92dcf5a36ad57943c5112fa8ac9
Manifest8acd6debd6ea818cca8bf89429fc47b1982940a2ef8f30e965532f092694d436

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
SignatureKnbZSbVTX/R650wuBV2bsZ/a4NvBoEJPGkCrGSyoDWRO0Gn3dqMpPOQDQBOPY9MEjpW8YObg39FoVjh8hBWQCg==
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

2026-09-17T11:28:47.978920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034471
observed f2ee50b3d842cb556d1c8a1c0ece2eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.961858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034471/manifest.json
observed 8acd6debd6ea818cca8bf89429fc47b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.946054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034471/publication.md
observed b65026ae464d67e8e2e1eae26b08357c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:47.926667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034471/publication.txt
observed 6d6fa70c94e97377f177a7b4ff45ab26...
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.