OpenTechnical

OT-2026-000081330

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081330) never changes.

Identity and time

Publication numberOT-2026-000081330 · never reused
Internal UUID01a0ae96-f374-7bcc-a17f-5d647dd815a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081330
StatusPUBLIC

Content hashes

Canonical textd2630abba5c5c95ecb6d4c02089d3669ba54ffd842db0af69b1f683c0ef89391
Markdownc5ba89b5733935abce4236bda9a70617ebdfca68e3bffa35d477ebc0da3b3c3a
PDF
Publication page266191f3b7c57db71fc6d1cb3c336911fedfcffc6b323f55786b3bdba7893460
Manifest9335ff4250ffc1a3879b87bf3d0868723330d5f37f4969e7268e42552ab283f4

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
Signature1OZqZZG5fdRg44RV99OtyVjPem+YMwdZqEATNwnrdRC68+ak8NAzCv25B/aoMeXwrLPtVUFa9SyqMWA+rfIEDw==
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

2026-09-17T10:01:27.068704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081330
observed 266191f3b7c57db71fc6d1cb3c336911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.049635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081330/manifest.json
observed 9335ff4250ffc1a3879b87bf3d086872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.028482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081330/publication.md
observed c5ba89b5733935abce4236bda9a70617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.007567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081330/publication.txt
observed d2630abba5c5c95ecb6d4c02089d3669...
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.