OpenTechnical

OT-2026-000009939

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000009939) never changes.

Identity and time

Publication numberOT-2026-000009939 · never reused
Internal UUID01a0ae6b-cb79-7727-abc8-3426968ff404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009939
StatusPUBLIC

Content hashes

Canonical text8b700e1968aca42b4d3acdeefda7f571257a11bce1cb447c98d708f9b9c40bb4
Markdown98815345118649a97366d722aed2476cca8716683c0fea9601cfb864d7370986
PDF
Publication page5c568ada3aea8380e35b9435c5e868a15d0503490c704e640009a5e9989b7e03
Manifest4a859641badb2893024ad75744f21428902100e83458d62b2c396156e1888d4c

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
SignatureDvKPi9ycLDUPQ/iznAn8jIHSNS3+M66F0VqZviNPiDQHjz+ZqqSW92WhSG6TK38+C7rbfBqDZ5sagRzQglypDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.132008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009939
observed 5c568ada3aea8380e35b9435c5e868a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.113363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009939/manifest.json
observed 4a859641badb2893024ad75744f21428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.095028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009939/publication.md
observed 98815345118649a97366d722aed2476c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.076367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009939/publication.txt
observed 8b700e1968aca42b4d3acdeefda7f571...
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.