OpenTechnical

OT-2026-000084470

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000084470) never changes.

Identity and time

Publication numberOT-2026-000084470 · never reused
Internal UUID01a0ae98-5b63-76e2-9955-c64bfa3f8a74 · 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-2026-000084470
StatusPUBLIC

Content hashes

Canonical textbdc99dd9caaf72d69e68e0224c371b4fac518e31c9765921507dc50e48554481
Markdown9aa6aec32b10da9a55a9150fb05245539560c37f792c94d4f7365cdb6acccb0b
PDF
Publication pageb90d26ea1c4dde2ca8189b4b5885a21670715d2b0e1994b027de8c6afcc9b2b4
Manifestddc047700b763f37bb329aeeee9d4c6b43fdabd281f37bfc5bc50f8868afb58d

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
SignatureIHdID3GHaZ9++UrxuzUk29rg0u+8oR6sVS+v8Jn06HL0DdHhWEyIjDAFgt5bYuyt0pUVivN4NkPXLQCszfEdBA==
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

2026-09-17T09:56:26.136617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084470
observed b90d26ea1c4dde2ca8189b4b5885a216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.119874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084470/manifest.json
observed ddc047700b763f37bb329aeeee9d4c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.103273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084470/publication.md
observed 9aa6aec32b10da9a55a9150fb0524553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.086215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084470/publication.txt
observed bdc99dd9caaf72d69e68e0224c371b4f...
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.