OpenTechnical

OT-2026-000087539

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087539) never changes.

Identity and time

Publication numberOT-2026-000087539 · never reused
Internal UUID01a0ae9a-cd52-78ba-9027-416ceecda31c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087539
StatusPUBLIC

Content hashes

Canonical text6abe72a4d8d33c94e8e4398dfcd76d2fa878aa372aaa6a7b6d2abc2817067a62
Markdown480ad8e1ba038f893d3fb9a9c920c9dd061618082ce680bd53940d94b81b2965
PDF
Publication pageaf295a0410cb07237b205a6ea9865629c0eadccc0182a28485cb5ff2cbc4dc16
Manifest7e2dae50698531ad1062323b49c053a8d172f446464f84f4666c221b5cf272c1

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
SignaturenSHrXtA7r0SWNx8xQOfJx5JTgEY6/MNIof398fzeO5/xmL86SBRsC5CBKoZ14LO73pQyWD4Lad3FPhA+fMvqCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:52.764143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087539
observed af295a0410cb07237b205a6ea9865629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.748733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087539/manifest.json
observed 7e2dae50698531ad1062323b49c053a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.732042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087539/publication.md
observed 480ad8e1ba038f893d3fb9a9c920c9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.715581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087539/publication.txt
observed 6abe72a4d8d33c94e8e4398dfcd76d2f...
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.