OpenTechnical

OT-2026-000073023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073023) never changes.

Identity and time

Publication numberOT-2026-000073023 · never reused
Internal UUID01a0ae92-c815-71a3-b6e0-eb129d3b210b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073023
StatusPUBLIC

Content hashes

Canonical text6ace8051668a0fe8f559bafc37fd25eed8c2af8c07ac61e04dc5f55a291022fb
Markdown03748a0e35994c8bfe21fdcf1558bdd9d6cc85de7985c3b2bcc8c9e2ec9afa44
PDF
Publication page1b212cbadb57afc72c35bb62d344ff4484693199e1b6e95ef1d1caf927fd3c38
Manifestd9164828c56e02e2e01f4c3925d5ff4effb64cbdfe0dcbae1b6f0d6e0f12cb41

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
SignatureP+EbVtpI1JE6V7tfIocxJXfCum5xmHGn7uG6P2eeYugk+yhwORcmPhKPJ6B6XJptnBijMTapi+1/lOJI+D7hAw==
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

2026-09-17T10:21:57.720259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073023
observed 1b212cbadb57afc72c35bb62d344ff44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.700614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073023/manifest.json
observed d9164828c56e02e2e01f4c3925d5ff4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.683335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073023/publication.md
observed 03748a0e35994c8bfe21fdcf1558bdd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.666798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073023/publication.txt
observed 6ace8051668a0fe8f559bafc37fd25ee...
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.