OpenTechnical

OT-2026-000015995

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000015995) never changes.

Identity and time

Publication numberOT-2026-000015995 · never reused
Internal UUID01a0ae6e-0c4d-7893-a4fb-afdfb79c9bab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015995
StatusPUBLIC

Content hashes

Canonical texta9b66eada06b4a912e9f783463c7ad353b3c6c25e6c66881795d5e9b210f521e
Markdown07af54eb1d362255e9cd99893212cd6846de0da56e35b86fd73ea3cf032daa47
PDF
Publication page0ff66e760952a2d2eab4aa89dd3b77af30c26e26a2bb457f7cbb1d82986b69c0
Manifestd85427079c2ca1579048d0c4601e647a80eda6ab44f735af66b70fddc69fee39

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
Signature03xEKItpkPWnlCrY9uPqXaupUqI28XgCsTSjxtb52bBZzIqO/OgK/7OZLF6PwA7JAKjgJq2k6q/gNAPjBhYYAA==
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

2026-09-17T12:05:30.986307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015995
observed 0ff66e760952a2d2eab4aa89dd3b77af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.960988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015995/manifest.json
observed d85427079c2ca1579048d0c4601e647a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.935687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015995/publication.md
observed 07af54eb1d362255e9cd99893212cd68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.910707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015995/publication.txt
observed a9b66eada06b4a912e9f783463c7ad35...
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.