OpenTechnical

OT-2026-000038455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000038455) never changes.

Identity and time

Publication numberOT-2026-000038455 · never reused
Internal UUID01a0ae78-2d53-7777-9aa9-f493a597a817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038455
StatusPUBLIC

Content hashes

Canonical textfec08269a8eea01b82d828137123504bc0a237a9aa6b9a7e5d54076b74bd62d0
Markdownb552a12adf3c3b145fd1f679ae2eced19eb115f3bb49dd6c868aaef20a1598b6
PDF
Publication pageaf31c3fc7f0575851c99665410585d4a6b147a8815e230ca4b4bfea93c6335d9
Manifest22f95927b592966a7daf3703ca3b26a8d95f493d930ae0f553c9e861a3c69c58

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
SignatureHSEaai0i9lEQdZ/wVEWfNilu3CqDGi1vUL3SyFw3li7SJM1uLfj/53+MUTy0q2cAEmKdmqKnr3KtzGDImqbPCA==
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

2026-09-17T11:22:41.222200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038455
observed af31c3fc7f0575851c99665410585d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.204997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038455/manifest.json
observed 22f95927b592966a7daf3703ca3b26a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.185879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038455/publication.md
observed b552a12adf3c3b145fd1f679ae2eced1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.166051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038455/publication.txt
observed fec08269a8eea01b82d828137123504b...
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.