OpenTechnical

OT-2026-000076040

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000076040) never changes.

Identity and time

Publication numberOT-2026-000076040 · never reused
Internal UUID01a0ae94-6a6e-7eac-9cec-28225a19608b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076040
StatusPUBLIC

Content hashes

Canonical textcfa19d9fba7f39d5cb47710d2c0e0c325bda1587458fa39840a610cf256d4fa9
Markdown8a400ebef96b3b812c2b46ac889883d02ef5493f2760dc8f8c5a4a32441e7499
PDF
Publication pageba5f1d9c48a86a9cd7f382c45132c34088fb564c199d5a8d9a8a7987877f5ba0
Manifest87e9425de47133d67badf678c756c286e94fc399f3b37e2a73bb6ddfc8deaeed

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
SignatureEQHyTGSdaV+y9XO9yQvrTiPiLCOQ2Pwvqpw4LSmUmPL3Ux+B/UCpODvB/LgXyvRDZ34ZYSw/a7DpKxIBs1s9DQ==
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

2026-09-17T10:10:30.517809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076040
observed ba5f1d9c48a86a9cd7f382c45132c340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.498494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076040/manifest.json
observed 87e9425de47133d67badf678c756c286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.477337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076040/publication.md
observed 8a400ebef96b3b812c2b46ac889883d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:29.969127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076040/publication.txt
observed cfa19d9fba7f39d5cb47710d2c0e0c32...
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.