OpenTechnical

OT-2026-000045598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000045598) never changes.

Identity and time

Publication numberOT-2026-000045598 · never reused
Internal UUID01a0ae7d-8f02-79a0-903d-eeafa3025e8d · 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-2026-000045598
StatusPUBLIC

Content hashes

Canonical texte19bfe6dc11900f305475dc93ec29482547e1f6008084780d17d41ca3ac5243d
Markdowna3d6101370f5e1f3d38241b7641597b33ecf12f4b130cf68fcec26b9a25b93c4
PDF
Publication pageb82a80df88fd0f556586906c9ee4a79982a8588a6459fa3c7843d18f5a3c96c0
Manifestb137f7f8831769877b74e5189579f816ad67e8f4a6f962b741ffe9613c27f733

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
Signature1Q3YrVrU5+vfGlhHxtW+0Vo7vD/oDV5eFuyL9+vgzTkaCv09IvEVrJPP7XGV0JAwPiaMzDeibTUsQ5a4+4qzBA==
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

2026-09-17T11:09:22.221508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045598
observed b82a80df88fd0f556586906c9ee4a799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.200695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045598/manifest.json
observed b137f7f8831769877b74e5189579f816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.180432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045598/publication.md
observed a3d6101370f5e1f3d38241b7641597b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.161232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045598/publication.txt
observed e19bfe6dc11900f305475dc93ec29482...
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.