OpenTechnical

OT-2026-000027760

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000027760) never changes.

Identity and time

Publication numberOT-2026-000027760 · never reused
Internal UUID01a0ae72-a4a4-7622-8be0-8698cc928a08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027760
StatusPUBLIC

Content hashes

Canonical textfe390a0478476fc995e6357f6e6e8da54ba7582bab4fc479e6010f28e2042b7d
Markdown8f43a8231c74cf044ee605f6e7a2b22b9abe0c091679080ba0d768cd5c7b2d21
PDF
Publication pagef8cef5eff72b5fb287ad9056a317630e02a71ccb9e44a8d99498cdedd17908b9
Manifestaa2a656ff89ce0446df554ac36f3dba197d43421f3099359b3d6394c3e34438e

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
SignatureKDQKbLB8QtXS+08sCtJ+eSgBFL6CW3InwkxkeTf4ecRp7N/ErkcWU3L2AzHYVX/YmOxQ0sjfKDJMHE1flV24AA==
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

2026-10-05T04:41:30.315984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760
observed f8cef5eff72b5fb287ad9056a317630e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:30.267050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/manifest.json
observed aa2a656ff89ce0446df554ac36f3dba1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:30.218505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/publication.md
observed 8f43a8231c74cf044ee605f6e7a2b22b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-05T04:41:30.118446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/publication.txt
observed fe390a0478476fc995e6357f6e6e8da5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T04:41:40.052674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760
observed f8cef5eff72b5fb287ad9056a317630e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T04:41:39.937413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/manifest.json
observed aa2a656ff89ce0446df554ac36f3dba1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T04:41:39.834418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/publication.md
observed 8f43a8231c74cf044ee605f6e7a2b22b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T04:41:39.680788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027760/publication.txt
observed fe390a0478476fc995e6357f6e6e8da5...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent