OpenTechnical

OT-2026-000062889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000062889) never changes.

Identity and time

Publication numberOT-2026-000062889 · never reused
Internal UUID01a0ae8c-94a8-78fd-86da-ef9eb24bb4ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062889
StatusPUBLIC

Content hashes

Canonical text73d69943381e82af92a3ade7b016ce8dd72de73734176d6a9d2c1a7e547e5acf
Markdown1b35c8e6214cb13eeaab3ae75f4cb9e456785e359327b8546b51da3127324c9c
PDF
Publication page808e8688083c9639251cdd5c5a07267078df35ed7b8d58e4ebfbe689e732a5ca
Manifestd2dc882fa75945f1c7b3f09eadeacc95cb3929cdb1763886c3d5c67a1fb572ca

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
SignaturednkEUaQ2aRdgnSNmLWBTyTSUJn4ocTsWSKiY5VRvhXEMho7W74PiG7NfgfvKpYwvk0zt62Wo+/RHO225m7caCw==
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

2026-09-17T10:40:15.210754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889
observed 808e8688083c9639251cdd5c5a072670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.189412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/manifest.json
observed d2dc882fa75945f1c7b3f09eadeacc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.166839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/publication.md
observed 1b35c8e6214cb13eeaab3ae75f4cb9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.144087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/publication.txt
observed 73d69943381e82af92a3ade7b016ce8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.676915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889
observed 808e8688083c9639251cdd5c5a072670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.655741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/manifest.json
observed d2dc882fa75945f1c7b3f09eadeacc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.636878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/publication.md
observed 1b35c8e6214cb13eeaab3ae75f4cb9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:35.611356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062889/publication.txt
observed 73d69943381e82af92a3ade7b016ce8d...
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.