OpenTechnical

OT-2026-000102212

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000102212) never changes.

Identity and time

Publication numberOT-2026-000102212 · never reused
Internal UUID01a0aea4-50f3-770c-b329-7a729598b6b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102212
StatusPUBLIC

Content hashes

Canonical textdb3e8d9a3bde19b9f998731194ea4845518e247f6c5b84eedd48fc96347ce487
Markdownc9406491a574ff263dda229c79418c8edbc66367dbb32947cde6cae204883e89
PDF
Publication page9506e4592ed2827849b64ee77b98cf399b81ea0ff266624e41a445330804a0d7
Manifestca86a7c45a6e04606b9bfbbce07db6e62986a6a4f118b2dd5ee57d99db638feb

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
Signature4wRzJpLlQo0uOi30X6CTZvQEvXdndYgJ1zGDfeT6YE0kVuDoW11FAsoX/2y3hQuVlJ+pPvVgofaGL0kix8wqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:23.270552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102212
observed 9506e4592ed2827849b64ee77b98cf39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.252411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102212/manifest.json
observed ca86a7c45a6e04606b9bfbbce07db6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.235397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102212/publication.md
observed c9406491a574ff263dda229c79418c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.217797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102212/publication.txt
observed db3e8d9a3bde19b9f998731194ea4845...
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.