OpenTechnical

OT-2026-000069481

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069481) never changes.

Identity and time

Publication numberOT-2026-000069481 · never reused
Internal UUID01a0ae90-b52a-726c-84f7-af9be96c0f67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069481
StatusPUBLIC

Content hashes

Canonical text827e15c0ab41f1c387932fe9a3e7ef139f5b98ec9052c65efe1a2a63180db452
Markdownf9dc76a5651e81fed3168c58aa34231185fd60dc4c6b32a52298a73b2dae0ce0
PDF
Publication pageba2b6e7cc7a49a18737d607be2544a33c31057a29ab446a571f737fedd62e678
Manifestda06454fca7b0a2c7bbcbdb0bd857f25a5645f44f64abcc97ef2a8ff94d5d07c

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
Signature/GkmHuKvsk6C0uXzMXuUKfX7kImR36DwjD2jCfbibWT5b2E38Obrlljzeg0bnxrySB0KcnznSGj+r4giIVsdBw==
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

2026-09-17T10:30:33.560969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481
observed ba2b6e7cc7a49a18737d607be2544a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.542051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/manifest.json
observed da06454fca7b0a2c7bbcbdb0bd857f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.522511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/publication.md
observed f9dc76a5651e81fed3168c58aa342311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.506973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/publication.txt
observed 827e15c0ab41f1c387932fe9a3e7ef13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.284494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481
observed ba2b6e7cc7a49a18737d607be2544a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.265888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/manifest.json
observed da06454fca7b0a2c7bbcbdb0bd857f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.247938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/publication.md
observed f9dc76a5651e81fed3168c58aa342311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.229944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069481/publication.txt
observed 827e15c0ab41f1c387932fe9a3e7ef13...
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.