OpenTechnical

OT-2026-000071107

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071107) never changes.

Identity and time

Publication numberOT-2026-000071107 · never reused
Internal UUID01a0ae91-8c2f-70ce-a578-9c0034296f46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071107
StatusPUBLIC

Content hashes

Canonical textb3d761c81d49ba0ca4d1fa5e331ded70e13d98e3173e100fd4d8767d620fc22c
Markdown3b0af80e44c99460f2624be04df2c3f9b93e3f8e5aec343a126dbf1f5ac17a53
PDF
Publication page3734643b8187d15d4158f191022b694560ec9f3d89883fe77eee59710451fbb1
Manifest38ba7668f65f4e8ac7cab57c4623ee7905cde0cd594e330abfcfc71a75d364d7

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
SignatureET1PPD29mL1kXCn7n58QqxRqgSUnajQXUNilkh5pmsemUQyJaOLPjkhpiF0UcoMQKQ1melEAj/KoN9iJ12sOBQ==
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

2026-09-17T10:25:58.388630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071107
observed 3734643b8187d15d4158f191022b6945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.371579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071107/manifest.json
observed 38ba7668f65f4e8ac7cab57c4623ee79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.355355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071107/publication.md
observed 3b0af80e44c99460f2624be04df2c3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.338466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071107/publication.txt
observed b3d761c81d49ba0ca4d1fa5e331ded70...
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.