OpenTechnical

OT-2026-000044034

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000044034) never changes.

Identity and time

Publication numberOT-2026-000044034 · never reused
Internal UUID01a0ae7b-d679-7a93-aceb-671f810d07b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044034
StatusPUBLIC

Content hashes

Canonical text519c39808361ccbaf1b69c0b60ab506f22af91d44e9ae0e4c401451537a95443
Markdown586cd1fdecf7a90d98a26f61e9bc6c1f6117c23103ebfed96dec08b1c599695a
PDF
Publication page63535707120983d1875d11f4854fe015ce656ecf085d07aa8ebc841876739eb6
Manifestd892df5c5d1ab36bad05ce66da160902dc70901046c76218ea02063ce3affed2

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
SignatureU1/VeGLPuDQtPNWbAThCSFOpkiTzBazg4njw+sd2EcnI+BZ2GI2KLGn7ltYcwgfFt2mVth4xkFFkfhBbsQDMAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:25.361633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044034
observed 63535707120983d1875d11f4854fe015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.342807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044034/manifest.json
observed d892df5c5d1ab36bad05ce66da160902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.324665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044034/publication.md
observed 586cd1fdecf7a90d98a26f61e9bc6c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.307493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044034/publication.txt
observed 519c39808361ccbaf1b69c0b60ab506f...
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.