OpenTechnical

OT-2026-000026236

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026236) never changes.

Identity and time

Publication numberOT-2026-000026236 · never reused
Internal UUID01a0ae71-a841-7c16-8313-7e111443fe41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026236
StatusPUBLIC

Content hashes

Canonical text026cdfcc0a018d39f1068585586cd34986d6832b63f7ba26bc543a3ced3a5ffa
Markdown7236d145a134924ef32abd51644880742f1f3b3a4113e68e427b4d310e0ddaf4
PDF
Publication page2ff9ec4d6b922e8d42e9ec12a03e4cca8ac6c7ca7bfcd05c130ec635f59b8118
Manifestfd6acd9cd68bb50071511b621e8390dd9db3a606a1b0e40cfd664dbead8ca534

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
Signature25Ut2zh98ZDCV4C5n84yQgRaOCcNsoTJ1IruZnAFrBVjNV9R59w+fplI1Yal+FPIT7x6EjVgbRWlOe6iCxKaBQ==
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

2026-09-17T11:46:46.097226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026236
observed 2ff9ec4d6b922e8d42e9ec12a03e4cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.079275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026236/manifest.json
observed fd6acd9cd68bb50071511b621e8390dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.060695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026236/publication.md
observed 7236d145a134924ef32abd5164488074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.043087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026236/publication.txt
observed 026cdfcc0a018d39f1068585586cd349...
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.