OpenTechnical

OT-2026-000097053

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000097053) never changes.

Identity and time

Publication numberOT-2026-000097053 · never reused
Internal UUID01a0aea1-01c9-75b2-b12b-1ac6ebd3348d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097053
StatusPUBLIC

Content hashes

Canonical text07602272880343e8b47313a5fa91a97f8c84d61c610a73d44ff74522ee7a7d9f
Markdown986612edbcff09d27c2ca4437b0c6325478c9f1c48e36731dda5bdc9db5d8a81
PDF
Publication paged751d1ebe1631cce35b25a61ae9c79b57edd1666bc61cc20e1783a12092ea42f
Manifest6cfa75461dc95b938fc46c8b371751b4b851d7716af9fff05db8d6fbe10a3f2a

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
Signaturevgnwmqjjwp4+4yw8kiCio4unpDEnlP5ml8Jdf/J46FIT9ue+Gr1/MkRilu88O4GHsWpWjrNJXnD9aSVdLgE4Dg==
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

2026-09-17T09:10:36.185213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097053
observed d751d1ebe1631cce35b25a61ae9c79b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.167215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097053/manifest.json
observed 6cfa75461dc95b938fc46c8b371751b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.149334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097053/publication.md
observed 986612edbcff09d27c2ca4437b0c6325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.119183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097053/publication.txt
observed 07602272880343e8b47313a5fa91a97f...
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.