OpenTechnical

OT-2026-000079691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000079691) never changes.

Identity and time

Publication numberOT-2026-000079691 · never reused
Internal UUID01a0ae96-4375-7b90-b664-bbc3e7920da2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079691
StatusPUBLIC

Content hashes

Canonical text96506111fc185bcab2a83912f014af413bd009bee8a54b5bd1729fac332b42f7
Markdown36b4e9c05155f76bb2566d2cd3a8b5417efe06a2e0abbce5ecf170cbc2688a9d
PDF
Publication pagee9b1aff6a27d7601d58b947590def037fef65beec937092d366e3d4aed4410fe
Manifest60c181dc08b9a392a38dcaa8bbfab1802c67d8b120e4c88e400e9d990e91babd

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
SignatureeSCyfv9Bj9RY+fO96XKgYt2Bydrl9jbWfQWFUvLxCPhBP4ANCdAFtEhCHyyW/h9g8P9F0C6NLJn29l/xus7yCQ==
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

2026-09-17T10:03:27.787106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079691
observed e9b1aff6a27d7601d58b947590def037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.769997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079691/manifest.json
observed 60c181dc08b9a392a38dcaa8bbfab180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.752144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079691/publication.md
observed 36b4e9c05155f76bb2566d2cd3a8b541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.735096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079691/publication.txt
observed 96506111fc185bcab2a83912f014af41...
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.