OpenTechnical

OT-2026-000053436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000053436) never changes.

Identity and time

Publication numberOT-2026-000053436 · never reused
Internal UUID01a0ae85-0a90-70a0-af66-7fb463599772 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053436
StatusPUBLIC

Content hashes

Canonical text9e3a8af0281c3d0c3d611c2f7186af276c876a73829d5258bdf6d381d9a95ef5
Markdowncbbc5fbd02f8a465bfd2b774925e0c379820b0e1f752fc55209aa684a5ba372d
PDF
Publication pagea6b97bdce622f42b72c321631e5d6ea1c131fab9c10c1a93829eb06797adbb80
Manifest2fc440fb91bac124446738b663748dde6d40f2d7f1ebda57fb0916d4722a41a1

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
SignatureW8bLMxaNf4QLtY6/mBvV2kIZEBUl/RGyLRcBeIYcGkGC88Fm+aVECbNWzjj3srr4LGpLiEPoLRlnZjv+Xq7sAw==
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

2026-09-17T10:55:10.568665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053436
observed a6b97bdce622f42b72c321631e5d6ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.548601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053436/manifest.json
observed 2fc440fb91bac124446738b663748dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.528317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053436/publication.md
observed cbbc5fbd02f8a465bfd2b774925e0c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.507542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053436/publication.txt
observed 9e3a8af0281c3d0c3d611c2f7186af27...
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.