OpenTechnical

OT-2026-000045467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000045467) never changes.

Identity and time

Publication numberOT-2026-000045467 · never reused
Internal UUID01a0ae7c-f76d-7a80-a6a2-c29a2a84e95e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045467
StatusPUBLIC

Content hashes

Canonical texta58548c15e2dd998132cc943e4f327e3d12391fb84bdd3fb0aebee4e4485f2b4
Markdown8fd418cd51d50131802590d227a79b83d4b2671033b051ab06314087ba540506
PDF
Publication page1673b33570eadd0c391637eb62281d6a0d201da7e37545d98eee759d2c5900bb
Manifest546bebcd37679071c3b369d55f7dfa57c87fb83ef7016ae7f6aca524778b967d

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
SignaturexOP8NKfmLru1wly+PYwAK9M97yulDaqZxK/s8E3Nq0Rr3Ik9W63ZjlRYcwEOJWkfsGMmo81Gv9gZh27FHpQxBA==
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

2026-09-17T11:10:46.677913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045467
observed 1673b33570eadd0c391637eb62281d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.655263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045467/manifest.json
observed 546bebcd37679071c3b369d55f7dfa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.632063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045467/publication.md
observed 8fd418cd51d50131802590d227a79b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.607901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045467/publication.txt
observed a58548c15e2dd998132cc943e4f327e3...
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.