OpenTechnical

OT-2026-000079334

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079334) never changes.

Identity and time

Publication numberOT-2026-000079334 · never reused
Internal UUID01a0ae96-0b90-7daf-9112-6168d4a0f74d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079334
StatusPUBLIC

Content hashes

Canonical text8821f1dfcc70c2c664af99a40e3d696de4a6aabad2b443ff0a57eb697f84836a
Markdown1a05ce94c4d46ae0181b1a9bd46ea30f622be1967cd4f8b0cebd8891d3a69f2d
PDF
Publication page052ca0c756658bd3491bfcc1add722c9b58316b8f7075b2903c2dd8722d95d6e
Manifestb55b7fd3ecba9bdfc2a31c544bb32da286a49f6a4b551ca8a25c8a3bb8073c63

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
Signatureh+wqDUFijQzA0dWmk5/VVOZKbCjjE6Jvowz0xnykk3g3cIEx3v1Ncb8oDZg5j3E7ovNLfTR/j6Hoz6X7WB5GCA==
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

2026-09-17T10:04:56.880357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079334
observed 052ca0c756658bd3491bfcc1add722c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.861522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079334/manifest.json
observed b55b7fd3ecba9bdfc2a31c544bb32da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.842074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079334/publication.md
observed 1a05ce94c4d46ae0181b1a9bd46ea30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.824021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079334/publication.txt
observed 8821f1dfcc70c2c664af99a40e3d696d...
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.