OpenTechnical

OT-2026-000043587

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000043587) never changes.

Identity and time

Publication numberOT-2026-000043587 · never reused
Internal UUID01a0ae7b-92cf-7584-812a-4da0532d66e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043587
StatusPUBLIC

Content hashes

Canonical text3d00bdc34ba95f001cdc58f39273c39661a9b55d9b2b52f4d8cc9334af610f70
Markdown81568671df66be6071e2a7c7a8b22df4603dabf3699829a4b33775767bc0f07c
PDF
Publication pageffaf47850ebb707d3a38524c2c61f343c4a7d3c7b70e9eec2d3f4fc35d49c121
Manifest31c328c2bf35f116a71fd0a018e622bb725385978c49215aef4aa6fd44f63d6d

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
SignatureF3z6PAQRapVNJdZBL8/75jlNXN7CoIVAAJPupKpN06aKTd2WdUslXboCOKoa6lFl2FXdOCl/i4PUci00yGNnDA==
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

2026-09-17T11:12:59.275249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043587
observed ffaf47850ebb707d3a38524c2c61f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.256690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043587/manifest.json
observed 31c328c2bf35f116a71fd0a018e622bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.237267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043587/publication.md
observed 81568671df66be6071e2a7c7a8b22df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.219693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043587/publication.txt
observed 3d00bdc34ba95f001cdc58f39273c396...
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.