OpenTechnical

OT-2026-000062544

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062544) never changes.

Identity and time

Publication numberOT-2026-000062544 · never reused
Internal UUID01a0ae8c-0ac1-7c43-ac70-47feec42f5e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062544
StatusPUBLIC

Content hashes

Canonical textbc74b708be4a8e9f4152d36ef01bad7afbb75acc349bdc028726cfe2f43504cb
Markdown5d281429f3f4f96d8ea1e210c600309991a24ca3452ae4c95f44324491e5991f
PDF
Publication page3dd8632ebb35ebc97e0ce70237797ff10b89f414791d76df4dde9a98df2de0e8
Manifest0072faa043b463c20e3173b722e183de4ea6c9ac777f3e44493b1f6a9034edb7

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
SignaturejS+4xRNqXZlzk+sNW0vP73QsPcKdXo3hFwia+8NJ3NictAIFazEw5iClAquhymAkL43rkp4veNMOuuggjNDzBw==
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

2026-09-17T10:40:00.593038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062544
observed 3dd8632ebb35ebc97e0ce70237797ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.574595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062544/manifest.json
observed 0072faa043b463c20e3173b722e183de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.554152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062544/publication.md
observed 5d281429f3f4f96d8ea1e210c6003099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:00.533722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062544/publication.txt
observed bc74b708be4a8e9f4152d36ef01bad7a...
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.