OpenTechnical

OT-2026-000030915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000030915) never changes.

Identity and time

Publication numberOT-2026-000030915 · never reused
Internal UUID01a0ae74-3fb6-7f9f-afee-15fa61086a34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030915
StatusPUBLIC

Content hashes

Canonical text2b0d9d0dc55de7bbdb365dd91c40865e32cb42b7f74a8dbfffbeb4aa87f1e072
Markdowncd348d597e5c647ce6a60c75c41e855aef5cea3ec9d68796472ca3a3df04544e
PDF
Publication pagebdf16780c723c5a9d2434e2b93a5482bc40858930f5d2604778fe06c02c099df
Manifest8de41ee42b1ca1d46df8b3dc127333145619ae9c27bee77691ad9abf75dcb8c7

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
SignatureWycD+whakNIpXODdViy5Ug22fldSYAEqg4Afqp2lZ+4PVd5hc+alZcbDdtAiDmjSbsAn1nvYZVRZv4XZuoyoAw==
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

2026-09-17T11:36:54.428150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030915
observed bdf16780c723c5a9d2434e2b93a5482b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.408495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030915/manifest.json
observed 8de41ee42b1ca1d46df8b3dc12733314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.390136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030915/publication.md
observed cd348d597e5c647ce6a60c75c41e855a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.373112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030915/publication.txt
observed 2b0d9d0dc55de7bbdb365dd91c40865e...
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.