OpenTechnical

OT-2026-000070007

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000070007) never changes.

Identity and time

Publication numberOT-2026-000070007 · never reused
Internal UUID01a0ae91-1861-7978-bfd4-9ec41ede825a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070007
StatusPUBLIC

Content hashes

Canonical textd14afbc49d2fd9a171115bb8b685620dd23d9528724ba46d4092a42eee85a85c
Markdownc78c1eb45b24c5577c6371198249fad0f9c470ead30469bda801fb52e1af2c21
PDF
Publication page7ecb537fe9dd829c6298fe1775c65b19f59c4abf824d4f471ec031bf8b1f4260
Manifest65f8b15f70137945d46502eacaec9f540d04e010faba94cac543f17e4649b249

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
Signature9y8F//WEJXvKqnP9bZCkIEuFmun/IhAHA76eoAlLukzyGR8kcDn7SdVh8xq42KeyymFr6mhWX3p5VPlJ/Kn9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:57.478899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070007
observed 7ecb537fe9dd829c6298fe1775c65b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.461633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070007/manifest.json
observed 65f8b15f70137945d46502eacaec9f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.442650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070007/publication.md
observed c78c1eb45b24c5577c6371198249fad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.424557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070007/publication.txt
observed d14afbc49d2fd9a171115bb8b685620d...
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.