OpenTechnical

OT-2026-000038459

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000038459) never changes.

Identity and time

Publication numberOT-2026-000038459 · never reused
Internal UUID01a0ae78-2d53-76c1-9619-dc1f71086917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038459
StatusPUBLIC

Content hashes

Canonical text69df667f0f0a173d23cdddac35f6d5cf0940eb1f2d81cf3fdfbbdaac98e70ae9
Markdown49676ab7537f65f7f9e5ca89f341fb80b501641ddfbebaf1db6776a1bea85af1
PDF
Publication paged8bb632667883871b1c437dc196b18e15ddce766af0e275f593d6d677018ecea
Manifest79bd02fa5fdf673457e2649c451786d5f8408bb51d3175795f3b6d181cf45a77

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
SignatureQELaUS7ILauvNvqhRuk0J4nu7gEOWF2BUEb2rF82PTBKLxvq/n9/k8f/QapItPGP+4XwxTbyBCViHPQSwiXlBA==
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

2026-09-17T11:22:41.520265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038459
observed d8bb632667883871b1c437dc196b18e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.504032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038459/manifest.json
observed 79bd02fa5fdf673457e2649c451786d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.485084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038459/publication.md
observed 49676ab7537f65f7f9e5ca89f341fb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.468423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038459/publication.txt
observed 69df667f0f0a173d23cdddac35f6d5cf...
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.