OpenTechnical

OT-2026-000075950

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075950) never changes.

Identity and time

Publication numberOT-2026-000075950 · never reused
Internal UUID01a0ae94-2a00-7aa9-9514-3091b1779883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075950
StatusPUBLIC

Content hashes

Canonical textbca3ee47344b599e192e1dd5601583bd59bf56c20f670b123d43796cdefc7379
Markdownf9817430a3c11620a5b5c0793a3cc0f01dc0b96e69a1b3e84452253ecc95e90b
PDF
Publication page316086c1170b7577c71d58996f2f568a0e1762db87e0cb0f897de0e213c6f23a
Manifest70cbe9c1aad3ea5cf9462aa855e183954cedc53f45232cd1e3b4f55781030a12

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
Signature9yGukbZgxn0KrY5z4UMwKUd08+HDxD50aZy/glaQFrCBWzmot5EEq2vpZfXRAbMvLWJMfoa51oDZZRRJNiqGCw==
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

2026-09-17T10:20:04.263461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950
observed 316086c1170b7577c71d58996f2f568a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.245490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/manifest.json
observed 70cbe9c1aad3ea5cf9462aa855e18395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.226207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/publication.md
observed f9817430a3c11620a5b5c0793a3cc0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.206329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/publication.txt
observed bca3ee47344b599e192e1dd5601583bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.526700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950
observed 316086c1170b7577c71d58996f2f568a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.506928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/manifest.json
observed 70cbe9c1aad3ea5cf9462aa855e18395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.489540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/publication.md
observed f9817430a3c11620a5b5c0793a3cc0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:55.468441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075950/publication.txt
observed bca3ee47344b599e192e1dd5601583bd...
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.