OpenTechnical

OT-2026-000039835

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000039835) never changes.

Identity and time

Publication numberOT-2026-000039835 · never reused
Internal UUID01a0ae78-d8d6-7c3c-9cf1-9738f07a19a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039835
StatusPUBLIC

Content hashes

Canonical texta727ee8c5e9b15a0a6811f6d5b3e75e7c3fc6f9cccfa3519792e2713b3ce19d2
Markdownaa6aeef9b7f9a08893e5a83fbfb8b25152229c9f4e7214298575494303840383
PDF
Publication page76db546ca82c0439b1acae03e41250f23255455adff73215a11061947a856c19
Manifestc32b4057432b1361fc846945ad81ecd33cb029e5273fd32a66f46d97b6663462

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
SignaturegMa3z23ga3T/nQ1s4KNgEquwQse6YzUPOy2MGVjluhN4XrAHIiiG64IELRuphiau7+JtNHti4lgd6F9dXyRiDA==
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

2026-09-17T11:20:04.305696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039835
observed 76db546ca82c0439b1acae03e41250f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.288135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039835/manifest.json
observed c32b4057432b1361fc846945ad81ecd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.268345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039835/publication.md
observed aa6aeef9b7f9a08893e5a83fbfb8b251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.249339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039835/publication.txt
observed a727ee8c5e9b15a0a6811f6d5b3e75e7...
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.