OpenTechnical

OT-2026-000089187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089187) never changes.

Identity and time

Publication numberOT-2026-000089187 · never reused
Internal UUID01a0ae9b-db00-7c7d-b0f7-0b82bc4ed18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089187
StatusPUBLIC

Content hashes

Canonical texte29e02b3ea84cb8b9b0c8143089fcaece4d0502da33794e9ec79ef4750f16eb6
Markdown9110ef90df3a5c36e3346044ef2a83dacfdc212ab0c42d72b2eb93e501bd4ecf
PDF
Publication page6d6764e49873feb94720040f588023a91e302a418e93d0851d1c16826c142bb2
Manifest80934068436618c8a8a5396054363b20d716a4fcbfbca08a346a0eddcf290ee6

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
SignatureC8KBmhlvQ0GpSuvWRFgUJRxERhEU8H5X7QnaCXp0ZOItUuy2x2vzkblXqcq5DawyQNNzz4koo1WEIF1/GWyOAQ==
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

2026-09-17T09:47:12.147743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089187
observed 6d6764e49873feb94720040f588023a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.130685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089187/manifest.json
observed 80934068436618c8a8a5396054363b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.112828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089187/publication.md
observed 9110ef90df3a5c36e3346044ef2a83da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.095736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089187/publication.txt
observed e29e02b3ea84cb8b9b0c8143089fcaec...
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.