OpenTechnical

OT-2026-000081092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000081092) never changes.

Identity and time

Publication numberOT-2026-000081092 · never reused
Internal UUID01a0ae96-b977-7b67-a128-f064dab02ac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081092
StatusPUBLIC

Content hashes

Canonical text3244cbb4d02ee2d56ef45b08d0d27e4372826aa4f2e189e6784fe7219f7952c3
Markdowncead7df3a9818d76517a452970d4ba965911e9098ddd95500b96ed5707e59884
PDF
Publication pagedaf9ea456435586eb6d085edbf26d3887c6de7aeaab1ac8110857d1aa55600b7
Manifest639f57268d9ed29fc6340ef9848bd02a601a617d52cda247fd0e3271c5aae32d

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
SignaturejzohwI2wqiO5CtI4Oq7ObxHX7AcCIQyfe9P342W1OrL6slzjwqQt5NRGGUMkEetoiDDzD0qFzI0ZRY5+E4F+AA==
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

2026-09-17T10:02:23.807710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081092
observed daf9ea456435586eb6d085edbf26d388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.790831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081092/manifest.json
observed 639f57268d9ed29fc6340ef9848bd02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.774984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081092/publication.md
observed cead7df3a9818d76517a452970d4ba96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.758568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081092/publication.txt
observed 3244cbb4d02ee2d56ef45b08d0d27e43...
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.