OpenTechnical

OT-2026-000078131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000078131) never changes.

Identity and time

Publication numberOT-2026-000078131 · never reused
Internal UUID01a0ae95-6e8c-7d92-8c66-c80ceb3db1d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078131
StatusPUBLIC

Content hashes

Canonical text33bad86076fa533c9c858629d78544242d5f269bf8c4798cfc9886935d0abc3f
Markdown5a9aa5dd8a49f9054c096df70709c8fb9be60055ab5c853fe59c343a5ebe9a56
PDF
Publication pageb0dc7ed9b9251267f72e2784b592cca65b750eb4eba280a836dedc9a26a42552
Manifest750b679809dd5e40c8637f5df2e047c9e8a8fc724f716d35e9e29a1b68af2dbd

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
Signature7pt2DoLSr8hAmRoajg1EFJZ2wMGzXkaYBSEKQ+I60dgenUk9XRSxKyNxYFQ7ZslJigYXJpgWuUqdAxDygWpvCg==
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

2026-09-17T10:06:50.579041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078131
observed b0dc7ed9b9251267f72e2784b592cca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.560208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078131/manifest.json
observed 750b679809dd5e40c8637f5df2e047c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.533182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078131/publication.md
observed 5a9aa5dd8a49f9054c096df70709c8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.513909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078131/publication.txt
observed 33bad86076fa533c9c858629d7854424...
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.