OpenTechnical

OT-2026-000054034

Publication integrity record

Foam pad vacuum gripper, 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-2026-000054034) never changes.

Identity and time

Publication numberOT-2026-000054034 · never reused
Internal UUID01a0ae85-b3a7-7a5d-b499-ea306f503a83 · 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-2026-000054034
StatusPUBLIC

Content hashes

Canonical text413339fa7837fcbf00b473f90c5c5350e41ce1cb526dfc0d65ac045f4c1a57c3
Markdown1911e8b3c88e146cf937cb0a1ec5c2f33261226b1b05532d73c864b8625728f9
PDF
Publication page9083e2b4c72f2bbe59062e30da2d1659c70bfb00322ec2bd707ab790ba0ef391
Manifestada7d1a0b046e184535c109dad1df940c081aa51ee564b9fcca5c0b2dd8a1aa5

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
SignaturevMSV7zfXXtJqCjWtC/bgWBiQIkDuxSXkR5O4cxo7tTRJuaOgSSPyZtCqEQWm0eVC6iENCJC0/IiLYHualjpLDA==
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

2026-09-17T10:54:23.943477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054034
observed 9083e2b4c72f2bbe59062e30da2d1659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.926612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054034/manifest.json
observed ada7d1a0b046e184535c109dad1df940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.910063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054034/publication.md
observed 1911e8b3c88e146cf937cb0a1ec5c2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.893738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054034/publication.txt
observed 413339fa7837fcbf00b473f90c5c5350...
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.