OpenTechnical

OT-2026-000012994

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000012994) never changes.

Identity and time

Publication numberOT-2026-000012994 · never reused
Internal UUID01a0ae6d-5564-7f72-97b8-f7ca16638989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012994
StatusPUBLIC

Content hashes

Canonical text0c8636a185e1274383be7305d2fc0fcdbfe88b2cd77b3fb3b4dcfcf61c71dc4b
Markdown510e1ea1aeaec740d9c6e9aefcc7b838aa894d23bfc12a3993066ebd87d075d4
PDF
Publication page9001f9e77cfda317371d3d7b75ad9a5348177f659209412316926bf479cf7062
Manifest2d1672074a88aa46b21a000c148665b317328d956ca5297e8cd1cf30799f47cd

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
SignatureLBMI0/et2TnJQ3enPeSvXgik7xnASOoVK28m7990HMzo3CiQS76w3vNmitEPe/RT+nw6YcEBu7HvSDc/zI7ADA==
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

2026-09-17T12:10:48.755290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012994
observed 9001f9e77cfda317371d3d7b75ad9a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.736844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012994/manifest.json
observed 2d1672074a88aa46b21a000c148665b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.710058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012994/publication.md
observed 510e1ea1aeaec740d9c6e9aefcc7b838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.678422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012994/publication.txt
observed 0c8636a185e1274383be7305d2fc0fcd...
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.