OpenTechnical

OT-2026-000044504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000044504) never changes.

Identity and time

Publication numberOT-2026-000044504 · never reused
Internal UUID01a0ae7c-39d8-71f8-8af1-8225cf3599db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044504
StatusPUBLIC

Content hashes

Canonical text156f1b94aa2d99836f9d0503ab7ef18abf6e5f1c0370dd29594eba21cb7bd268
Markdown1c321d9978932d90d1a84185cbab8cf94d61226717777589250bfc08654fc17e
PDF
Publication page200e181aee49c2015d36ccdc4f890a2740af56889cecaefdcf50d54cd245b14e
Manifesta243ee3b802bab95bd224525b701719cfe8e76ee378e6b9256f10622f2d6c266

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
Signature7hzriTv9T51Tm1DVPQOirvYD0vK6KAhBVBF3Ni60rM7Wqr5sXj1vOWj5SdAUkEQThO6nxf2rzyWK4spkRbj8DQ==
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

2026-09-17T08:30:59.242271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044504
observed 200e181aee49c2015d36ccdc4f890a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:59.226377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044504/manifest.json
observed a243ee3b802bab95bd224525b701719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:59.079551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044504/publication.md
observed 1c321d9978932d90d1a84185cbab8cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:59.059591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044504/publication.txt
observed 156f1b94aa2d99836f9d0503ab7ef18a...
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.