OpenTechnical

OT-2026-000075434

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000075434) never changes.

Identity and time

Publication numberOT-2026-000075434 · never reused
Internal UUID01a0ae93-f201-71ee-ba29-fbb5192f44f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075434
StatusPUBLIC

Content hashes

Canonical textbaab7d93b8155927654823c564f76a74ef71aeed75dec29b7dcde62cb2777dd3
Markdownb64f27068a8b6f7f5ce8dd0f0a8a2f6c652c9e8452c3d7d108476af6cddcfa0e
PDF
Publication page8db7cf788d6580111989efb33103781c2403ee1e859d8c5201f4943cee49369d
Manifestea4dad252a706ed7763d2125e52743a950ce2901b8a0be1372e9d6917db922e6

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
SignatureGJoiT+ISiAxrhT83tNjmPbU4Vrmi2GAJ47G7I5ugLxpjxXoXht9YMHqdQPvBhM6u1b0yJoHhSg/IBQwSN3jRDA==
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

2026-09-17T10:17:37.443291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075434
observed 8db7cf788d6580111989efb33103781c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.048543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075434/manifest.json
observed ea4dad252a706ed7763d2125e52743a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.029221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075434/publication.md
observed b64f27068a8b6f7f5ce8dd0f0a8a2f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.011817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075434/publication.txt
observed baab7d93b8155927654823c564f76a74...
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.