OpenTechnical

OT-2026-000054158

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054158) never changes.

Identity and time

Publication numberOT-2026-000054158 · never reused
Internal UUID01a0ae85-b3a8-7a04-8234-3b52c7087524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054158
StatusPUBLIC

Content hashes

Canonical textbd9e1d400041e3a2f31875b590f50f560b946f4811a9db3db93422291632ad5e
Markdown6d2c0bf5be39a06b4c954a775639bf735e1941c34b39479166e8f2e5533ec6c4
PDF
Publication page7278c17678302cd177bc85978de590da10e13391aac642b5b8b1d9814c6ae63d
Manifestb38d0723acf02020749091c672c04e23331bbb7d48fe59487c51f462dc35dcfd

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
SignaturedOgK9YM5AhPIFPNsFm1m79pINwl+7kOc9ue6YlNT6PMxERzNzWXz8uc0myuaxF3RjAYSbBDtDCMm6F70c5TZCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:36.091632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054158
observed 7278c17678302cd177bc85978de590da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.074570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054158/manifest.json
observed b38d0723acf02020749091c672c04e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.055539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054158/publication.md
observed 6d2c0bf5be39a06b4c954a775639bf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.033625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054158/publication.txt
observed bd9e1d400041e3a2f31875b590f50f56...
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.