OpenTechnical

OT-2026-000008619

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000008619) never changes.

Identity and time

Publication numberOT-2026-000008619 · never reused
Internal UUID01a0ae6a-e46b-7c47-9148-4c4f3683d887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008619
StatusPUBLIC

Content hashes

Canonical texte6a0d94456b374e077960403c83445e7d2ed6950af875f3edae4d1b574fdf968
Markdown236ce9474818c466b8606bf9d662499c598f187e2df4a4e3d6385d3fa9f6f6d2
PDF
Publication pagefef1cd0e76c2ba7b2e72a30006207ba299d37cc9aff4e3bd4e3ed3d1d28e4e2b
Manifest316829a1f47a063d52898e82fde58d25bd57b458ab15835e9c57011b549cd599

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
Signatureec9eYq576rQ8jUJ79entva2QuSrPbcgOkPcuqExTyoeyP0GSD1dimtH6SRIWoA84ZJCdRFehlvqbok3MYIFoDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:34.780335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008619
observed fef1cd0e76c2ba7b2e72a30006207ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.759627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008619/manifest.json
observed 316829a1f47a063d52898e82fde58d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.739719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008619/publication.md
observed 236ce9474818c466b8606bf9d662499c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.721701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008619/publication.txt
observed e6a0d94456b374e077960403c83445e7...
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.