OpenTechnical

OT-2026-000084975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off 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-2026-000084975) never changes.

Identity and time

Publication numberOT-2026-000084975 · never reused
Internal UUID01a0ae99-43b7-7598-974e-a1c395fb835e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084975
StatusPUBLIC

Content hashes

Canonical textaa0eed257e80df3c6b6ea144a638f16d6c0d21a1dea5d9c8d9f2e8264a716328
Markdown246fb8107c3908537627c03d4fcb631a17ee7fbd91fc86bba636afbdf05f367f
PDF
Publication pagecbec8dac7cb1ee622689e151699249b600a57d4b52d508db18db887445e8f859
Manifestc6ec98e91b93b0f82a4fb9730f83a863ea44bcf98b13f86d8348a23bedd5466c

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
SignaturePCH9CUHY+skiXtmbEF17TPa+GNQDPDdRX+zYTJp7PthgrticUTf1e7dcuzDQuOq9lMujigq2XEO9riDvIfQiCw==
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

2026-09-17T09:54:58.507392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084975
observed cbec8dac7cb1ee622689e151699249b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.491374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084975/manifest.json
observed c6ec98e91b93b0f82a4fb9730f83a863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.473712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084975/publication.md
observed 246fb8107c3908537627c03d4fcb631a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.457372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084975/publication.txt
observed aa0eed257e80df3c6b6ea144a638f16d...
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.