OpenTechnical

OT-2026-000084057

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000084057) never changes.

Identity and time

Publication numberOT-2026-000084057 · never reused
Internal UUID01a0ae98-5b5e-789e-9c6a-56bd3963d3c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084057
StatusPUBLIC

Content hashes

Canonical textd1067ebf946ebc3688afd769362d63fee0d8c4a331ce057dc3feaf892a2cd305
Markdown02e788fef6f755cb094cadfac2263ed672ecf90ead294be88da7c1d4f7485e76
PDF
Publication page03812c8d92deab986b46914f1ea840ee4958a4dc0ea11e83f42e22ef647a3144
Manifest980acf4e5d9e8fe70035190edb6207d3d97b83aa4e0a91c61bd2eb173427ef69

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
SignatureR9gPOqJEGYhv5EgrX71zdwAw0vIi7NQWNTAoKRIJXXmeA6SZRa6/lo9BGcvrNQy0bfXy70VcGALJJKUoDqZsDg==
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

2026-09-17T09:55:47.556896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084057
observed 03812c8d92deab986b46914f1ea840ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.539422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084057/manifest.json
observed 980acf4e5d9e8fe70035190edb6207d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.522178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084057/publication.md
observed 02e788fef6f755cb094cadfac2263ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.502809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084057/publication.txt
observed d1067ebf946ebc3688afd769362d63fe...
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.