OpenTechnical

OT-2026-000069377

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069377) never changes.

Identity and time

Publication numberOT-2026-000069377 · never reused
Internal UUID01a0ae90-b529-7f81-88ca-b2c895bbb2aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069377
StatusPUBLIC

Content hashes

Canonical texte3fe2f0a12d7e6b020d61f70700f3b28c2b8c9063ce74b21e2e55e7b8a523733
Markdown58218af2a7b16622d0f3fa84614ea0bbfcedc2f93a2baa49832b07c07785c430
PDF
Publication pagea6e501ca703cdfb644832c4eafed1f5641f8d282a30673ea0e38b5cf3d52d235
Manifeste30e887e8496760010b2c104ac60a74465b11214ac3c385e0b05d490391fb206

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
SignatureAHYTsQiJtN95FGZM3cM65qAF5n36oAnSUFA+TkvvsLY2OPOCCc8buQ92KTsKdh5MZA9eI91gE9nhgjG3KBrKAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:17.980087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377
observed a6e501ca703cdfb644832c4eafed1f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.963892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/manifest.json
observed e30e887e8496760010b2c104ac60a744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.945635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/publication.md
observed 58218af2a7b16622d0f3fa84614ea0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.927270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/publication.txt
observed e3fe2f0a12d7e6b020d61f70700f3b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.505437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377
observed a6e501ca703cdfb644832c4eafed1f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.487487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/manifest.json
observed e30e887e8496760010b2c104ac60a744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.469488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/publication.md
observed 58218af2a7b16622d0f3fa84614ea0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:58.450913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069377/publication.txt
observed e3fe2f0a12d7e6b020d61f70700f3b28...
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.