OpenTechnical

OT-2026-000074332

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000074332) never changes.

Identity and time

Publication numberOT-2026-000074332 · never reused
Internal UUID01a0ae93-7179-79b9-831f-2b162d3f7a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074332
StatusPUBLIC

Content hashes

Canonical textfcd408d1e5fc60ece53d76b2c6fd79965171f526f0e23bbfb87555a6089a392f
Markdownf4581c86d44ef36cdad6756f96839ed705a14875e76373f7db4546a69ab897a6
PDF
Publication page1b6243fcf4c1043acc37895f1e26f51ffaf5fe8851d5f823c0f9f04aa680485f
Manifested4837a7ce5b77c32464e299588e55e862d7152adc13fccba6743d157a412a63

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
Signaturemb6IaODFQD/eHpBio0eAL1Exsm93hX/OrQX12RzM6e2A0ASY7A8ZBe1fOoQuZLbGkbqUxV5q2547fN5Jr3qYBQ==
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

2026-09-17T10:19:15.093923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074332
observed 1b6243fcf4c1043acc37895f1e26f51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.075323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074332/manifest.json
observed ed4837a7ce5b77c32464e299588e55e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.057802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074332/publication.md
observed f4581c86d44ef36cdad6756f96839ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.039740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074332/publication.txt
observed fcd408d1e5fc60ece53d76b2c6fd7996...
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.