OpenTechnical

OT-2026-000042396

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000042396) never changes.

Identity and time

Publication numberOT-2026-000042396 · never reused
Internal UUID01a0ae7a-5d74-71fb-8a49-f0b6d061aa65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042396
StatusPUBLIC

Content hashes

Canonical texta12b1fa54957c3783847e3c409957a5824f056627ca69a4c24be3a08a719ba2c
Markdown82db19163adf6f112782bf424a2cc6d1ddf47b3977d2fd34ed6ddf6849ddd165
PDF
Publication page735a88126d00c41e2392d34d149d4f4209cb0890dedf469354d35cb0e9b48d8b
Manifest7e36e1d65533cb5316947a67d4aec81816745a2607bfb49ec1d0e2c7b14aed76

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
SignaturePViovGJ8n0dbMbIGyuSxwhDlLDLyTRTPqeb9DkAqYrfvGjOmJtwh79n5wf7aFSXo1unbL4m4kgc2JXMm4dUfAw==
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

2026-09-17T11:16:11.430637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042396
observed 735a88126d00c41e2392d34d149d4f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.413240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042396/manifest.json
observed 7e36e1d65533cb5316947a67d4aec818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.394988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042396/publication.md
observed 82db19163adf6f112782bf424a2cc6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.378133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042396/publication.txt
observed a12b1fa54957c3783847e3c409957a58...
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.