OpenTechnical

OT-2026-000066595

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066595) never changes.

Identity and time

Publication numberOT-2026-000066595 · never reused
Internal UUID01a0ae8e-ce41-7cf6-8e11-3e86492584fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066595
StatusPUBLIC

Content hashes

Canonical text521c60d216a7823bf57a4d1bbcf6543c5a870b770c3408283ff2ed582e00cf91
Markdown880d809c13d0dac3b37cb891294892d25ed61b122b3f0f8ae3fcc18d56a5c01f
PDF
Publication page8e228f332989c57ccd8b09cd0749e64e08bf1eb4dcfebb1a6448eb9e649d9447
Manifest53beffa9d33bd9e5944833135645969e55c6508a4436afbe3c438ce6284bfe1d

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
Signature5cEK4QQ358BTEU+DiX6BcS/IkcvTkV/EqicnjY0QHy60YMeGuMDnPwIJCqe142nwFuogNZ5zByEBKrcoeb6SAw==
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

2026-09-17T10:32:57.733708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066595
observed 8e228f332989c57ccd8b09cd0749e64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:57.715471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066595/manifest.json
observed 53beffa9d33bd9e5944833135645969e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:57.697272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066595/publication.md
observed 880d809c13d0dac3b37cb891294892d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:57.679542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066595/publication.txt
observed 521c60d216a7823bf57a4d1bbcf6543c...
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.