OpenTechnical

OT-2026-000089287

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000089287) never changes.

Identity and time

Publication numberOT-2026-000089287 · never reused
Internal UUID01a0ae9b-db01-7527-ac48-bbec59f02b1b · 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-2026-000089287
StatusPUBLIC

Content hashes

Canonical textfe9deafcd174e4c8f2ed127ad4e05dae199bbc2c8aaf3c7e3d80e7b3f3c05c53
Markdownaf4a3879fd83e117cced23ae9d13be2d34c4e0caa7604d8b5abcecb835e5c1ea
PDF
Publication page9eae0585b5ef798c26dc283aeb477e0a7cdeba0694709735b2c64cef5dc093d6
Manifest5c0e21664745c6f6ca2c90514e60308cd62da2a684311965f4b46e2e50ad337b

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
Signature1Yg9YMKCRaY7QZYeEDZr1mqDF+8Zl9LGHTcrU9PWIQtaQC62nvY1LrkcGBQfgfGBzp9dR5Lpn/NcjF5bFMSWAQ==
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

2026-09-17T09:47:19.984348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089287
observed 9eae0585b5ef798c26dc283aeb477e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.966915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089287/manifest.json
observed 5c0e21664745c6f6ca2c90514e60308c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.950265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089287/publication.md
observed af4a3879fd83e117cced23ae9d13be2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.934187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089287/publication.txt
observed fe9deafcd174e4c8f2ed127ad4e05dae...
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.