OpenTechnical

OT-2026-000071939

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, 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-2026-000071939) never changes.

Identity and time

Publication numberOT-2026-000071939 · never reused
Internal UUID01a0ae92-47c0-7ced-a3ed-fa397a65bed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071939
StatusPUBLIC

Content hashes

Canonical text40cb047f90ea572161fd8b2414f9d1a526aba41f6472cb1623f59af6e5e9d41d
Markdown0b1aac454cd9e7bde21900cbc4ae52eabeccf7a7ab481350d6221bc4eb1f662a
PDF
Publication page7b04fa59efa1f2248480216966503e13d7f984945ebf4b4e02680f73ca73e330
Manifest3187db02ed4044d82f16a5a5fb630e0dfd1bb9e43d40d00fc7b750546bccc281

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
Signatureb/gjR+I2Y0G6lueM5H4AdO0E9ArW1MCdHz8jZdhQgd2hUzSYBfnw3UzhpiKKUiKSFU8aTF6bflrbSffO+maHAw==
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

2026-09-17T10:22:58.298642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071939
observed 7b04fa59efa1f2248480216966503e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.281639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071939/manifest.json
observed 3187db02ed4044d82f16a5a5fb630e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.265703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071939/publication.md
observed 0b1aac454cd9e7bde21900cbc4ae52ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.249146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071939/publication.txt
observed 40cb047f90ea572161fd8b2414f9d1a5...
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.