OpenTechnical

OT-2026-000045790

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000045790) never changes.

Identity and time

Publication numberOT-2026-000045790 · never reused
Internal UUID01a0ae7d-8f05-7195-8f2a-375119a58668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045790
StatusPUBLIC

Content hashes

Canonical text8b79894812c6c0da859e8fbe5af7632d3d9f8c562f1680d8301b5879dfc216a2
Markdownc9a83bdb1ad97273d066bd4c9fe46c7d22b888f2767ab3ef2584af1acf16eb13
PDF
Publication pagea2855a4f1381d9c505a02f4dac008bd9d45420cbed8d177a64ae7a7bd948e81a
Manifestddd394306628e333a8aa8c2e3227a749375ffa0491bd47a866b8dcf400079c7b

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
Signature0i6h4T4rxTritw/0PQsnAjAWSN1RnlXpT5sOpMHlNVsxseJNSgWRvyUd+p9rMCJ3dYMlvF06FXoyCe1Ybgl2Cg==
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

2026-09-17T11:09:39.217099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045790
observed a2855a4f1381d9c505a02f4dac008bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.197851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045790/manifest.json
observed ddd394306628e333a8aa8c2e3227a749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.178271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045790/publication.md
observed c9a83bdb1ad97273d066bd4c9fe46c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.159555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045790/publication.txt
observed 8b79894812c6c0da859e8fbe5af7632d...
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.