OpenTechnical

OT-2026-000054169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000054169) never changes.

Identity and time

Publication numberOT-2026-000054169 · never reused
Internal UUID01a0ae85-b3a8-7962-98fc-e3c352b67b11 · 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-2026-000054169
StatusPUBLIC

Content hashes

Canonical textdd3bb306e8ee38aa8b401e2d6a637f4ff5dd3aed3dea9858290c30fe599f5c34
Markdown031acb5c523d153ce41abfa67e28be8107c0815d045d06fbd9c0f89bfb7d8539
PDF
Publication page6ef0028cf22cbcdfbd0c5283d0291d5f30d1631807e74cbb1be81d0ba8c5c4f3
Manifestaa99fae9326bb19900bf41f00e21957d01efa9c6a8268bbbf01223536c84dfd0

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
SignatureJIkOZgBBfJ+0NBJeLTIEc9unaRydl6aAwuVaiZGWFDdw1vGXd4hNquyP+crkSDreSryo7iVWJPLvGGHp5G7SBA==
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

2026-09-17T10:54:36.847954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054169
observed 6ef0028cf22cbcdfbd0c5283d0291d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.830212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054169/manifest.json
observed aa99fae9326bb19900bf41f00e21957d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.813178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054169/publication.md
observed 031acb5c523d153ce41abfa67e28be81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.793499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054169/publication.txt
observed dd3bb306e8ee38aa8b401e2d6a637f4f...
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.