OpenTechnical

OT-2026-000071889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000071889) never changes.

Identity and time

Publication numberOT-2026-000071889 · never reused
Internal UUID01a0ae92-1e93-7b3c-86df-12ea465ccac6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071889
StatusPUBLIC

Content hashes

Canonical text88639cc6f012673925ab8e46df9decc373c6ee81e6ca8a515eb797c271ade05a
Markdown58075df06fbfc9db1cf3447c797e5745222e8e1451153e7b0dcbd67c463d3e7c
PDF
Publication page9330668c3b9f8599358e33cc714eed05783e1566fbf273cc6f12541996d8a3cc
Manifest1341fcf93f189e170789c13a2ad5f08515a52d15adffa115fd85d1c7b62f5abd

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
SignatureQl412nVQNWUB9T9/rQ4cZRCoVqKLGHd0HW1lsHoJk61R0YJCQVFMHUuvs2pB1GR4/xeyKFyTziHfe5+pBw5QCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:35.820396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071889
observed 9330668c3b9f8599358e33cc714eed05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.800748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071889/manifest.json
observed 1341fcf93f189e170789c13a2ad5f085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.781545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071889/publication.md
observed 58075df06fbfc9db1cf3447c797e5745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.762782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071889/publication.txt
observed 88639cc6f012673925ab8e46df9decc3...
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.