OpenTechnical

OT-2026-000071455

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000071455) never changes.

Identity and time

Publication numberOT-2026-000071455 · never reused
Internal UUID01a0ae91-e0ed-710e-b094-356c4e8df9c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071455
StatusPUBLIC

Content hashes

Canonical text05f47c803c4dc87db47dc264eb7057a3f4a793fd332ef9c2c44bb80653321fd1
Markdown65ca456b1c93bc90ff5e01b46ec8145a2d771f04a97ad48d1643b9c4b9438f13
PDF
Publication page399fa79486a24edd488852ed83db4578b3bd9f6d0e11d7b0e9232721192c1fe6
Manifeste35a19d9990df6c2913dfc59742d67df5bc23113710c1075b12e9d2bedd78fc5

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
SignaturepPJ0QzeD+UZxBDtUzKyZA5lkfStVunJt2YaqTZ3EmVCU8kJ+MCw1p2t0eTVru2RGlKcQqMiZx8a2XPhhIFUEBg==
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

2026-09-17T10:25:05.708697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071455
observed 399fa79486a24edd488852ed83db4578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.690263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071455/manifest.json
observed e35a19d9990df6c2913dfc59742d67df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.669797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071455/publication.md
observed 65ca456b1c93bc90ff5e01b46ec8145a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.651655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071455/publication.txt
observed 05f47c803c4dc87db47dc264eb7057a3...
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.