OpenTechnical

OT-2026-000103566

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pulsed blow-off after 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-2026-000103566) never changes.

Identity and time

Publication numberOT-2026-000103566 · never reused
Internal UUID01a0aea4-e461-7c8a-a102-5ff05bd57ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103566
StatusPUBLIC

Content hashes

Canonical text70cf5484428066178e682c82c0d541ccc01f37e730502b6586453cbd75f41992
Markdownea564f653fb7e046d1123e30d5fea32d6b936a2e6bc97329466de40a35134b26
PDF
Publication pageb1ac3f1c6bc7d69df754d9b421325d7800548775c41079ac03c850e69221fe64
Manifesta231b815d8fc2b38f0a968fa328e031327e9ddb98778888b19a79952e099e24e

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
Signature4vhi5bV0v3FUMf6JAysWeX6EzvuZ5sKAKDCileizfkzRWUVGYpBJlF0xtt7R55eXCv09fHPQD5qhhCRA/ANRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:20.827557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103566
observed b1ac3f1c6bc7d69df754d9b421325d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.810403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103566/manifest.json
observed a231b815d8fc2b38f0a968fa328e0313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.793610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103566/publication.md
observed ea564f653fb7e046d1123e30d5fea32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.775985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103566/publication.txt
observed 70cf5484428066178e682c82c0d541cc...
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.