OpenTechnical

OT-2026-000098004

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000098004) never changes.

Identity and time

Publication numberOT-2026-000098004 · never reused
Internal UUID01a0aea1-92f7-78b3-9f4d-ac0d073b1887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098004
StatusPUBLIC

Content hashes

Canonical textc6215141435c4b6d4aa83b984fbfd083a7d1ffe7244a8c25c8cad419a1d26582
Markdownfffa532f0d05ff7525f6f84d5c69be270a686870d9f6f737b793a89664bfc869
PDF
Publication page8a1529f32ad4b742354726d65e283ab0199da971770a952da2fbd068dcc3de04
Manifest327325455639591d39f2f1415af55bbe373dd08566592df421b8377b330e7757

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
SignaturedoAsTLijJgS4R63NnArxRX05TLfjusVS+vi5o+/Guny5sz1YabTNmRigOSL6D+/7Do8U0Q/PZ8koKg7X+7/zDg==
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

2026-09-17T09:33:10.557357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098004
observed 8a1529f32ad4b742354726d65e283ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:10.537899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098004/manifest.json
observed 327325455639591d39f2f1415af55bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:10.518947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098004/publication.md
observed fffa532f0d05ff7525f6f84d5c69be27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:10.500839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098004/publication.txt
observed c6215141435c4b6d4aa83b984fbfd083...
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.