OpenTechnical

OT-2026-000054198

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000054198) never changes.

Identity and time

Publication numberOT-2026-000054198 · never reused
Internal UUID01a0ae85-b3a8-7e36-a7ff-24b233ab7f51 · 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-2026-000054198
StatusPUBLIC

Content hashes

Canonical text016dcd2cd99630763a14d731f49a5eed3f15103fd2d86e9fb0a3e466842d90a3
Markdown52eb2f637cb45b7984f29ceb8cbca1478cb39c10b9ef4612273c790cb5e6f6d9
PDF
Publication page4baa7daa4912e268a925aad2299eba85cdbd11ad273957a4fe0a88de71129038
Manifestbf4e9dda207961b5cb5acce36948d93f210fa3738b162959e269fb90a107248d

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
SignatureDm9eAUZ8LR4X26v6KM+1ORJSzObOBb8m5dOi7DsmpzBkd3ZaimtQnR8HdDpU0VfZqtmkKbf7BqHXzw3aJRMGAw==
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

2026-09-17T10:56:27.815736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054198
observed 4baa7daa4912e268a925aad2299eba85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.799558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054198/manifest.json
observed bf4e9dda207961b5cb5acce36948d93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.782275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054198/publication.md
observed 52eb2f637cb45b7984f29ceb8cbca147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.763313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054198/publication.txt
observed 016dcd2cd99630763a14d731f49a5eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.210975ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054198
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.192633ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054198/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.166873ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054198/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.153485ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054198/publication.txt
observed ...
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.