OpenTechnical

OT-2026-000015602

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000015602) never changes.

Identity and time

Publication numberOT-2026-000015602 · never reused
Internal UUID01a0ae6d-ef4c-7403-9229-ecf6d2aa8f41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015602
StatusPUBLIC

Content hashes

Canonical textd4bd4edecc256350f913742db35527cea9eb584ae1dc768f13347e6cb9db7f4e
Markdown2da13a3a0f3c9c36dea71312304d37ec1094c301f659df0338ce5176d285093b
PDF
Publication pageae6ec4d944819547d628550df5827558c0b2c55b8169f05d99edc5b329893bb7
Manifestcb2b8ec0a0e81d535fa6f044d83187f95ed0b960129e0ada7c867101b5ebf510

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
SignaturexnKz4ZLweRObUjH3aewfW4nT9fj0MlbjIJhyqjJwbu12+XEyfXm/T+q9iNasrhF8YDc3tFjH+M5+Hqz0vFrlCg==
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

2026-09-17T12:06:24.330652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015602
observed ae6ec4d944819547d628550df5827558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.311677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015602/manifest.json
observed cb2b8ec0a0e81d535fa6f044d83187f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.292538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015602/publication.md
observed 2da13a3a0f3c9c36dea71312304d37ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.272944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015602/publication.txt
observed d4bd4edecc256350f913742db35527ce...
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.