OpenTechnical

OT-2026-000008394

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000008394) never changes.

Identity and time

Publication numberOT-2026-000008394 · never reused
Internal UUID01a0ae6a-e469-79ec-bf14-54b2315d549b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008394
StatusPUBLIC

Content hashes

Canonical text876a3bb79f6aa0052f96b88e6fe2b708ee12ede3d055c583d211daade13c30ee
Markdown7ac7547ca9db447d478a1d6ede02655e1c273d11ab5e521bc55356e48363acfb
PDF
Publication page3647b00aea68cd562886d249511580751efaaa9c6cdb86afe909c59060e43380
Manifest4606d60f5b501cac546e198ceb1b1683d44182cf6271f70ffa56074a3bd3261e

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
SignatureAYo7KCLhV/iDh4KS26TVPpc3Fzo7m7U/D5zgLRKdNGXs8JyDV28qXZM2bllc7/12n8wRAiLAQR+Y9cBV8JgQAw==
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

2026-09-17T12:18:13.917039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008394
observed 3647b00aea68cd562886d24951158075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.897594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008394/manifest.json
observed 4606d60f5b501cac546e198ceb1b1683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.869769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008394/publication.md
observed 7ac7547ca9db447d478a1d6ede02655e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.843643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008394/publication.txt
observed 876a3bb79f6aa0052f96b88e6fe2b708...
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.