OpenTechnical

OT-2026-000030634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030634) never changes.

Identity and time

Publication numberOT-2026-000030634 · never reused
Internal UUID01a0ae74-3fb3-7d1e-8b47-18f4154faa15 · 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-2026-000030634
StatusPUBLIC

Content hashes

Canonical text403c8856b45ef7d2f6e35b58ed4613f665554c45aee364d9d08cc6b10ccc1738
Markdownc67c200acd904d53fd5f0d1bbac71de9de8eb05e409746106bf0c8c3551e05ac
PDF
Publication page55c284317a2a2b73a5874dc9f31dcbcb5d6886dadbc80e807173056a8d21c4de
Manifestb5ccd7f51409dedb2ea8f4a5770394991971984dc29aded4efdfd38adc125481

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
SignatureyTk/9tdE020QBvRkBRQ6hpvUZ5hOJBUpAhHdDXWEvuen9Cbgle+Pg1BGrwQF/ssszOo9wCfGrDD/LseqcK5ABA==
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

2026-09-17T11:36:30.565713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030634
observed 55c284317a2a2b73a5874dc9f31dcbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.547451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030634/manifest.json
observed b5ccd7f51409dedb2ea8f4a577039499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.529895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030634/publication.md
observed c67c200acd904d53fd5f0d1bbac71de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.511311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030634/publication.txt
observed 403c8856b45ef7d2f6e35b58ed4613f6...
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.