OpenTechnical

OT-2026-000084432

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084432) never changes.

Identity and time

Publication numberOT-2026-000084432 · never reused
Internal UUID01a0ae98-5b62-7ab7-9675-ffe08ab50fbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084432
StatusPUBLIC

Content hashes

Canonical text21bad3834171f6de669ec05508334dabc9c8875537630c62f61bef2ec64debe6
Markdowna8b01313116a9299dbec8d602963bfdbb86d76a73b429923987ce872a0bf33a7
PDF
Publication page9828f8ce0cfb9487f811481fe26a0d207c27fda8cb361aacddd8f4c1487507dd
Manifestbaec7c06b446db1fba2503cd2cc2e4579debdadba218db4ba759d63706aa5ad0

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
SignatureONTmb/4yIn7ASB97gc3fe/3bkPnp+/VXmAGm3+jFUuQKEJOttEnJeIeNQaDaq9nNmgsWD49i7Xvh4SrEjWePDQ==
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

2026-09-17T09:56:23.104777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084432
observed 9828f8ce0cfb9487f811481fe26a0d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.084633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084432/manifest.json
observed baec7c06b446db1fba2503cd2cc2e457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.067734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084432/publication.md
observed a8b01313116a9299dbec8d602963bfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.051263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084432/publication.txt
observed 21bad3834171f6de669ec05508334dab...
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.