OpenTechnical

OT-2026-000006462

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified at each zone, vented after 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-2026-000006462) never changes.

Identity and time

Publication numberOT-2026-000006462 · never reused
Internal UUID01a0a95c-1a4e-7922-9f8c-9fa8bac3fa40 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:20.689951Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006462
StatusPUBLIC

Content hashes

Canonical textd2a28b65ab91fe9940755b0ea59fe8942349ecd613b04e0aa050f0020bf042bc
Markdowne530348719ba52ef45c1338164ff5550b687d33a9261c6d6092eff22154c9d27
PDF
Publication page2e8a2fd2b44881bd186d4f4ba62268af1e9c011170714826670e0d32c5ae532d
Manifestc22cfafd9af5b9bc793b7efa249b3e90c8a9679dfc9428800abaf0ede6264c04

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
SignaturesedK+xIDIaLIF+gkT+R2n40T64YC/z3PniIY/ga8liIw7RexHMS6YGoiu1jU/GoyMOEXgBpXS29U8RXz/mqsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:14.888097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006462
observed 2e8a2fd2b44881bd186d4f4ba62268af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.874287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006462/manifest.json
observed c22cfafd9af5b9bc793b7efa249b3e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.739879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006462/publication.md
observed e530348719ba52ef45c1338164ff5550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.726107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006462/publication.txt
observed d2a28b65ab91fe9940755b0ea59fe894...
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.