OpenTechnical

OT-2026-000062521

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000062521) never changes.

Identity and time

Publication numberOT-2026-000062521 · never reused
Internal UUID01a0ae8c-0ac1-71fa-b0c1-20a4473362cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062521
StatusPUBLIC

Content hashes

Canonical textb7e05dddae6861227fb251549f7510e4d0795a06be968fab0544fabfa37cd41f
Markdown4a370b0e200d2c208ee109fd530bdca062322a1c089a7c176c2ce4d55f8590d8
PDF
Publication page8464ba62294d0100286943482e853429abf676eba7530d3d7c300b3502b75727
Manifestb2f7e791ef7204b954f60c233b3b720ba5e45ce3711413d6d355c11a3464c109

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
SignaturevzagARaddImjF7/PSTW6Dth92FTN69jvVXxSHuzxi1No3+s6O391QlHfDgPEL2062GW/WMiCT1XGKHX6OfI+Ag==
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

2026-09-17T10:39:58.641630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062521
observed 8464ba62294d0100286943482e853429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.623047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062521/manifest.json
observed b2f7e791ef7204b954f60c233b3b720b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.604067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062521/publication.md
observed 4a370b0e200d2c208ee109fd530bdca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.585465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062521/publication.txt
observed b7e05dddae6861227fb251549f7510e4...
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.