OpenTechnical

OT-2026-000020944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000020944) never changes.

Identity and time

Publication numberOT-2026-000020944 · never reused
Internal UUID01a0ae6f-65e4-7ed9-8b2d-22c810a67015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020944
StatusPUBLIC

Content hashes

Canonical textbebbfafdb47c0daf721e89e9e91bb33851adea2407dfe43450435e484278cb52
Markdown69096076e48eed5d48c99ba50cf403670486fdd6edd16c36f8b3ca7c1c7d79b8
PDF
Publication page1b9ef2c0cefea3e990f2fb30df26aa5c450a1c0ec01b034db5e07d58e570b507
Manifest6cbe84c7faa2686e9c789799adce780f8111fc776c04f8b0bc353c929e34a0bc

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
SignatureOiXlQ1wvDyDnz2VKs5nkcmHIa96jN/EgQzPtcB3cx3bvyEg7u/TzYPQJxydCO+NHcbBCBxPOsTWCwin1B5TvAA==
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

2026-09-17T11:56:04.700394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020944
observed 1b9ef2c0cefea3e990f2fb30df26aa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.683744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020944/manifest.json
observed 6cbe84c7faa2686e9c789799adce780f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.666875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020944/publication.md
observed 69096076e48eed5d48c99ba50cf40367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.650990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020944/publication.txt
observed bebbfafdb47c0daf721e89e9e91bb338...
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.