OpenTechnical

OT-2026-000062993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000062993) never changes.

Identity and time

Publication numberOT-2026-000062993 · never reused
Internal UUID01a0ae8c-94a9-7259-a9e7-21b4b6e65748 · 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-2026-000062993
StatusPUBLIC

Content hashes

Canonical text69ecba81b5cebcb7e09328724d83a5f1a26c070fcc6d497ba0bfb234731c4784
Markdown9747abd4c9917679870676a17ffa04298a9999ee61ab944597c0df2e66dc1983
PDF
Publication page84da61dc984bc3bd5d6ad18a0c8d1f9c91201e16dd0a455dc9d4c2149d89cf42
Manifest10b14df39983dde3b7f01a32cc651141cecd251b44d4495cdff85b86833d2207

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
SignaturecARAecIBUHSu8IpVpuO1AycseHKoKe65KGX2eZ1H6WHqxTM6Mj4nmGAYbmo0iFGsV0OG3qfOJ/MOSRhtJhsgBA==
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

2026-09-17T10:40:31.318113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993
observed 84da61dc984bc3bd5d6ad18a0c8d1f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.290545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/manifest.json
observed 10b14df39983dde3b7f01a32cc651141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.270794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/publication.md
observed 9747abd4c9917679870676a17ffa0429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.250009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/publication.txt
observed 69ecba81b5cebcb7e09328724d83a5f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:44.006944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993
observed 84da61dc984bc3bd5d6ad18a0c8d1f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.988533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/manifest.json
observed 10b14df39983dde3b7f01a32cc651141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.969003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/publication.md
observed 9747abd4c9917679870676a17ffa0429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:43.950725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062993/publication.txt
observed 69ecba81b5cebcb7e09328724d83a5f1...
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.