OpenTechnical

OT-2026-000008409

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000008409) never changes.

Identity and time

Publication numberOT-2026-000008409 · never reused
Internal UUID01a0ae6a-e469-7743-9f64-a1a569a178b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008409
StatusPUBLIC

Content hashes

Canonical text0ebb0cc74afa013f37a6e659cc3338ce6d93c2b67f4d79e8c55dfd455059085f
Markdown1c7577ce2e882df75ccfc3919cf1c8deef5be2489ca8e1bcba0b426fb125f59c
PDF
Publication pagede6212667f5b4803c14075e23fe022de35fb8257a0836834a9e79782413047b3
Manifest6618936bcf77352e59acf9f91a48b9003d435e3d76b3f3420e3b87a35d0b6c25

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
Signature1Yin/K6a3/hqg52EVDxswpFS01TUhQBEbUsBwGe+ayPuvQhA7G+X010a28dpFNuTjUwuf5WXfZK/l9a+jqQjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.291080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008409
observed de6212667f5b4803c14075e23fe022de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.270117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008409/manifest.json
observed 6618936bcf77352e59acf9f91a48b900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.250882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008409/publication.md
observed 1c7577ce2e882df75ccfc3919cf1c8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.233382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008409/publication.txt
observed 0ebb0cc74afa013f37a6e659cc3338ce...
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.