OpenTechnical

OT-2026-000104406

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000104406) never changes.

Identity and time

Publication numberOT-2026-000104406 · never reused
Internal UUID01a0aea5-3421-7507-b8dd-5c6f3e54119a · 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-2026-000104406
StatusPUBLIC

Content hashes

Canonical text1cd3c6b7f5bf6a7f6a67267ebc595ccf1d6491595299e9da1646a4c9eb6f26c7
Markdown5f0b478f9d726dfc7e9dfc88e8e9455ee78a89bfb7cabe27bf370be93a0ddbef
PDF
Publication page3dba967062dae60be19b62a7bcd8dab9a57aea79fcef26a1c63e4275980f1400
Manifesteae6fd2b75302e41f53376e21d16771be40b1241563025a2609c96f94df14226

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
SignaturevkO0xQich+P3CnrUfnw8YsXp4+trQQGzWWNKjeY+JH2hzrzk7ohv+Pgt+mboLTbdPcfLhP8LcUU8d+HAJ1knDg==
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

2026-09-17T09:21:40.593453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104406
observed 3dba967062dae60be19b62a7bcd8dab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.576701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104406/manifest.json
observed eae6fd2b75302e41f53376e21d16771b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.558941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104406/publication.md
observed 5f0b478f9d726dfc7e9dfc88e8e9455e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.541921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104406/publication.txt
observed 1cd3c6b7f5bf6a7f6a67267ebc595ccf...
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.