OpenTechnical

OT-2026-000073936

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000073936) never changes.

Identity and time

Publication numberOT-2026-000073936 · never reused
Internal UUID01a0ae93-2b8e-78a6-8ef7-af5c17fda2cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073936
StatusPUBLIC

Content hashes

Canonical textcee3df7ba3eac62061339d27d5856e436b9d0c70042cec26e75d4015df239621
Markdownbd89079b802ed4c7a7e5cb0c886ec537a432b9c6481ca87326d37bfe4e5ff6a1
PDF
Publication pagee56a352f089cabc27005cd922f7a5a9eb2247baca57d7c963f50a31f60e6e614
Manifest934cf005ed18b16afea357283f10cc4380c2f00c13b612017b1ab56705da95d4

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
SignaturemglVLV4F9F91MOxDPrxdiF7F5hji9tV9B2arKvGZ/Sj8V+mqpRx9I02HIK80paBBe9PohEofhqpiTTrgksRrBg==
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

2026-09-17T10:20:13.238013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073936
observed e56a352f089cabc27005cd922f7a5a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.219424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073936/manifest.json
observed 934cf005ed18b16afea357283f10cc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.198665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073936/publication.md
observed bd89079b802ed4c7a7e5cb0c886ec537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.174155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073936/publication.txt
observed cee3df7ba3eac62061339d27d5856e43...
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.