OpenTechnical

OT-2026-000054835

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054835) never changes.

Identity and time

Publication numberOT-2026-000054835 · never reused
Internal UUID01a0ae86-1285-71cf-b1e0-9fbb5b246ea4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054835
StatusPUBLIC

Content hashes

Canonical text6a3ee637250118acb0e8845b23ac36ac9517c2d89f639d374ae4e9fad1a7ea90
Markdownb0960b0dbac1bb7813aa050e729b7195e6cd47a04c90a0caf63bb8416879042c
PDF
Publication page3c26077b8de650615e4742ddca7e89be2b369d1c4101556c76f5bae91f820b49
Manifest123268b8f508f5c0c51e04abff7e3d6627a6892c9c9d1e3d91fdde634d64cdbf

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
SignatureL+FhGkHHgzvhEhqdg53YazpjA2PyxAFOa9sHNMDZzZ2JokWWOt7kWC9l7pMoLfcyutFaoaZUQ2Q0P0vESdudBA==
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

2026-09-17T10:54:02.821333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054835
observed 3c26077b8de650615e4742ddca7e89be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.802652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054835/manifest.json
observed 123268b8f508f5c0c51e04abff7e3d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.784442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054835/publication.md
observed b0960b0dbac1bb7813aa050e729b7195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:02.766486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054835/publication.txt
observed 6a3ee637250118acb0e8845b23ac36ac...
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.