OpenTechnical

OT-2026-000104385

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000104385) never changes.

Identity and time

Publication numberOT-2026-000104385 · never reused
Internal UUID01a0aea5-3421-7e95-ba42-45b6b0e2fb5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104385
StatusPUBLIC

Content hashes

Canonical text0dcd10061f4f0d99318644e34c2ec86a813b65b0075f33cb36762db9c1169e74
Markdown22fdad78328371a98e65f5287b0e1eb531672e2959036785f137ab9cd5669a27
PDF
Publication pagea5a6e4c7f09e5309d204889b9ff1d03bb62c867b98dbf8067bee6a350cf0b720
Manifesteda1f6f4b2ba8c6b1378e490d86eb80b2985519d439abef0d48f9d455445f1df

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
SignatureQdQtgy25irKl3VitDSvuMGLezZySYszKAjxvs9Care+d8D1jgHwGJtjdSB4dEV4ZoJGPSMbb4caBLuJOqL1uBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:39.031067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104385
observed a5a6e4c7f09e5309d204889b9ff1d03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.010477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104385/manifest.json
observed eda1f6f4b2ba8c6b1378e490d86eb80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.992037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104385/publication.md
observed 22fdad78328371a98e65f5287b0e1eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.973324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104385/publication.txt
observed 0dcd10061f4f0d99318644e34c2ec86a...
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.