OpenTechnical

OT-2026-000015824

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000015824) never changes.

Identity and time

Publication numberOT-2026-000015824 · never reused
Internal UUID01a0ae6e-0c4c-7dd9-9b45-0ff65ec8e3de · 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-2026-000015824
StatusPUBLIC

Content hashes

Canonical textecc9867c1c1847a235e8f7aa1c05276e1fc61f6aa51483a6bf482025d56e4aa9
Markdown608cd38c1a8d296901386a50b935c3220a0e8300c816e8fcf9b9bb6bd89425ea
PDF
Publication pagee6b672ee5f8f46c129c209a849fe89dbf58c2587aa4e8e212595db45b802c17e
Manifest8724d251b1e7b19948c1a6a768e004e4d16b698e0fbcd40ff5805a7f9d2fc97a

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
Signaturetrq0M0BJnPUyQJrs6Lh+4RBKxOIDs9X/tzB/nUKo3qDeR17OqiXj2VwsYS/iVcw/7upSKu6WO1I4sE10PEhUAw==
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

2026-09-17T12:05:08.337729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015824
observed e6b672ee5f8f46c129c209a849fe89db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.320627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015824/manifest.json
observed 8724d251b1e7b19948c1a6a768e004e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.299508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015824/publication.md
observed 608cd38c1a8d296901386a50b935c322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.279766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015824/publication.txt
observed ecc9867c1c1847a235e8f7aa1c05276e...
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.