OpenTechnical

OT-2026-000031124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000031124) never changes.

Identity and time

Publication numberOT-2026-000031124 · never reused
Internal UUID01a0ae74-87aa-7b2a-9aec-7423fc0e715e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031124
StatusPUBLIC

Content hashes

Canonical texte6a2e0b1f64863208024e7c81b2a493581ac99a1adb3ae36586acf7a2c2e5f34
Markdownf3fe38e60f77d67cbe853cd029e90538fb0b44e7854fe09adb36592a4f8f7036
PDF
Publication pagef264ca546b55064f7f4e8f6ea1062a4356c2b0ecdaf8e07b124da0ce737757a5
Manifest08f76ffb106c950b5598c4a82966b9eb64f650259407d0e34d4006ca75617bea

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
SignaturePv9TQhpgp1cHyx2gKo8lk8pTcFiH7pCJoCcVMdsVHyCAtwKlYAH/LwqY2isuytvNAPqACtApbZg/+fzOMqnYDQ==
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

2026-09-17T11:35:33.604405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031124
observed f264ca546b55064f7f4e8f6ea1062a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.585452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031124/manifest.json
observed 08f76ffb106c950b5598c4a82966b9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.567363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031124/publication.md
observed f3fe38e60f77d67cbe853cd029e90538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.550139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031124/publication.txt
observed e6a2e0b1f64863208024e7c81b2a4935...
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.