OpenTechnical

OT-2026-000013396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000013396) never changes.

Identity and time

Publication numberOT-2026-000013396 · never reused
Internal UUID01a0ae6d-6fca-7cc7-8024-817e44cb38f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013396
StatusPUBLIC

Content hashes

Canonical text510764209eef5b838737666a9e1003df217cc77c8a2ed40b790fe6484f518955
Markdown8755d3539bc168b918af2edc8fb1dfbcbf197419f0c550ef723c4715e8795ce5
PDF
Publication pageff41ac2b5a37985a4e1bd7c63463ede9e3e74f0827bee149d4cbb532db79761e
Manifestb86c9dc6686281b25cf84ecf9cc65851d0ef80690d570fbbe240ef69a464cae9

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
SignatureYGf2TY/EkBDn7ctviMfQNnA7NIaYCnP02PnP8PbpqDsip7XKfl8g+Yw37e8k/ur9Pj4eQfS6ILFlz4uMtgMUBw==
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

2026-09-17T12:09:52.182673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013396
observed ff41ac2b5a37985a4e1bd7c63463ede9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.163829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013396/manifest.json
observed b86c9dc6686281b25cf84ecf9cc65851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.144373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013396/publication.md
observed 8755d3539bc168b918af2edc8fb1dfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.126189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013396/publication.txt
observed 510764209eef5b838737666a9e1003df...
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.