OpenTechnical

OT-2026-000045642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000045642) never changes.

Identity and time

Publication numberOT-2026-000045642 · never reused
Internal UUID01a0ae7d-8f03-73d7-a6eb-65a2c5aee13b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045642
StatusPUBLIC

Content hashes

Canonical text6c6f7c2fd9c97228344b6a2b48838ea82e2616073049dc3a11ae98123dc82a55
Markdown5d4d6743837e764e5fa4ecf465876c4eafd0bd3747d75706b33234d3b29cb60f
PDF
Publication page8d377fee3ccd66145b0b6bf553812846ce09ca55c6a0be86479f8acb9b7ee294
Manifest16328da1d9558634deb102d30a63deb824db2dbf7014d070e8938c123980fc13

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
SignatureFuOYJHyM8VvYC4uNl0ysSNgLhIltDuKExEnzkARsmIvA/zD/hBfU/LsyhZ2D1RTYWqk8ZZiftnIIng1Wel/XCg==
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

2026-09-17T11:09:25.765388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045642
observed 8d377fee3ccd66145b0b6bf553812846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.745254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045642/manifest.json
observed 16328da1d9558634deb102d30a63deb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.725660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045642/publication.md
observed 5d4d6743837e764e5fa4ecf465876c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.706011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045642/publication.txt
observed 6c6f7c2fd9c97228344b6a2b48838ea8...
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.