OpenTechnical

OT-2026-000030835

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030835) never changes.

Identity and time

Publication numberOT-2026-000030835 · never reused
Internal UUID01a0ae74-3fb5-78a9-ac58-e3e6e1a2e842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030835
StatusPUBLIC

Content hashes

Canonical text26f53dee2859a4e54fd5309b7c86d1126d5eb23facd5c55c9d94781e6df1d170
Markdown8b4479a95a07269122db7fa582a0d73e1e7de188f87ba65eb8e7576930bba6d5
PDF
Publication pagebe2ca5660bab938dba5dfd565ab5e40a254086bbaf4eba1fd471bfe81614bb95
Manifestaecddb01ced2385ba9330892af774a28beced7657b4cdb2386027168e3699553

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
Signatureywc2odlwJ1Y+sgF9VY4RW6iKeIu91RP2UZ9dMW+BREIDDphrtK+qmF3aFnTb+HLj1V2UzrN81Idsb2cn4vEbAQ==
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

2026-09-17T11:36:48.533312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030835
observed be2ca5660bab938dba5dfd565ab5e40a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.515036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030835/manifest.json
observed aecddb01ced2385ba9330892af774a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.498681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030835/publication.md
observed 8b4479a95a07269122db7fa582a0d73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.481842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030835/publication.txt
observed 26f53dee2859a4e54fd5309b7c86d112...
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.