OpenTechnical

OT-2026-000031063

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000031063) never changes.

Identity and time

Publication numberOT-2026-000031063 · never reused
Internal UUID01a0ae74-3fb8-799e-b89f-4c0ff4672b1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031063
StatusPUBLIC

Content hashes

Canonical text91456c51bc4d7837e3b1acb883262da47909a3e0c8bb8a7d21a2f32d529daa4a
Markdownf0e0f86d9aef4f986ac5cb72a226326af74ff4ab6f6f0cc0d43d99522031855a
PDF
Publication pageb7dca23cf9e3c5e3022d791539ade55e2711cb48e7d94df0f158edeb5730f41e
Manifest7f9b02f0e66635529b6e64339f7b3a04e07c07694b1aa53c9ac54a780ec99ab2

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
Signatureacesxeha04Ks7qRosKNaID7UZSbJ+wV4FINTc4L7yi03K2wvmVzcjKJ28chJ5289jwkhbYXO1W+DEXOkALojBA==
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

2026-09-17T11:40:10.225901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063
observed b7dca23cf9e3c5e3022d791539ade55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.207384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/manifest.json
observed 7f9b02f0e66635529b6e64339f7b3a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.181962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/publication.md
observed f0e0f86d9aef4f986ac5cb72a226326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.156806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/publication.txt
observed 91456c51bc4d7837e3b1acb883262da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.924524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063
observed b7dca23cf9e3c5e3022d791539ade55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.905958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/manifest.json
observed 7f9b02f0e66635529b6e64339f7b3a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.886057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/publication.md
observed f0e0f86d9aef4f986ac5cb72a226326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.868498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031063/publication.txt
observed 91456c51bc4d7837e3b1acb883262da4...
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.