OpenTechnical

OT-2026-000062732

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000062732) never changes.

Identity and time

Publication numberOT-2026-000062732 · never reused
Internal UUID01a0ae8c-6389-7fa8-8da6-1b761d2ed364 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062732
StatusPUBLIC

Content hashes

Canonical textbceaa5903479e4c922b32242a23415b95e4aeecc4fd0199665f0f11339cc854b
Markdownb1569fecf7b718055c8084e395dc72b3e5f6b4ef393aa4551805ab8043ebc8c8
PDF
Publication page2d0c636c3cd45c031c48e6620f551ac08a11f67b8eb0815aa3ce251c6937ac3a
Manifestee815cc047ad861c7a78fa73ee6d0de2bf796f58d812620e742f557f32f22560

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
SignatureCmGU5oO1mgjIsmLQAf+4AJ4eyqLTuS06oZ1fRRjD3O4iseqLULRU8LzIzjmTC5qn6njUemHA7W2kjfcZ5MGQBQ==
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

2026-09-17T10:39:18.358647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062732
observed 2d0c636c3cd45c031c48e6620f551ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.340101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062732/manifest.json
observed ee815cc047ad861c7a78fa73ee6d0de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.320559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062732/publication.md
observed b1569fecf7b718055c8084e395dc72b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.301577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062732/publication.txt
observed bceaa5903479e4c922b32242a23415b9...
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.