OpenTechnical

OT-2026-000009603

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000009603) never changes.

Identity and time

Publication numberOT-2026-000009603 · never reused
Internal UUID01a0ae6b-7563-71ff-bf4a-2aaeb46e5ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009603
StatusPUBLIC

Content hashes

Canonical text2ab54aec51416653dd47ee3224d635aba9140bba18e205265f9429cc00e5043f
Markdown96d08facc013134746f2e0cad4b2f6a7d5dc14bbd39988d1fd239e2982bb9377
PDF
Publication page2c682a0cd051e561e174227d3be114e9db60c8a5b46b2b6725ec4d09d6a20707
Manifest3cacc31860c472d79222fb6d529ff57ddf139336a8e5e86c5b8f3e11cff11529

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
Signaturesflq/nMnmYC+9buixakfKaZVb6VfWy1i/PtrnG+kNVG/BD6UOLbypoL6hIQzU3kj8zSi4mQCmOkvASAY+/R4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:02.999318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009603
observed 2c682a0cd051e561e174227d3be114e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.981705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009603/manifest.json
observed 3cacc31860c472d79222fb6d529ff57d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.962141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009603/publication.md
observed 96d08facc013134746f2e0cad4b2f6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.940989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009603/publication.txt
observed 2ab54aec51416653dd47ee3224d635ab...
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.