OpenTechnical

OT-2026-000080931

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000080931) never changes.

Identity and time

Publication numberOT-2026-000080931 · never reused
Internal UUID01a0ae96-b975-7a4d-a04c-b22fb20ef45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080931
StatusPUBLIC

Content hashes

Canonical text373626c66dd59ccf667983825cdcd4b85a2a20c4b8ec130656aacfb7dabe4212
Markdownab69a706eb5da17c0870528f153d84072c55d5160342381957c2c0b65fe21e5b
PDF
Publication page8a9873e1f1fad0f57883b497cd83cfaf10531e6b5270ec25cdc0e9034dfbc9a9
Manifeste7d26252b6a282e9807e5f3107e416889c3c8f9a8737842144c01b1cf6899ead

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
SignaturelSPtNXbg6iI0EwWIsu6kN4xBOg2/AeRqxJ+nboKZVuRob7teEeQmrnNwAhc3BbHaD2YblpsEwDQ0ljIpyKFODw==
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

2026-09-17T10:02:08.193527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080931
observed 8a9873e1f1fad0f57883b497cd83cfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.175656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080931/manifest.json
observed e7d26252b6a282e9807e5f3107e41688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.158976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080931/publication.md
observed ab69a706eb5da17c0870528f153d8407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.142385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080931/publication.txt
observed 373626c66dd59ccf667983825cdcd4b8...
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.