OpenTechnical

OT-2026-000045243

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000045243) never changes.

Identity and time

Publication numberOT-2026-000045243 · never reused
Internal UUID01a0ae7c-f76a-77ac-a15c-f3229b213216 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045243
StatusPUBLIC

Content hashes

Canonical text332bf6425b81c1939a1fced7ec7705faa98bd7cd4d7ca4f8a8a8f48772e3bce0
Markdownb567447975bba5da7e84fdeb819e5ada43b16461413ccdb45b6fdbe97ab7ea68
PDF
Publication page66fff73e9fd288f6dd63af6c27bad253470994531e8b8c3ff874b344002a22bf
Manifeste445ab5dab94e8e1f61e969821560f49d6a4ac18d4cf47feb9ec9242c63c7451

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
SignatureFuOcYmdxqVHeFmzOtKJRxnZNGzaDeM6xhoCwMXqUqCyVwkixJDkpYBNLyhrkEJhG0GOQjoULrFFbC7XsJN+gBw==
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

2026-09-17T11:10:26.589647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045243
observed 66fff73e9fd288f6dd63af6c27bad253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.568931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045243/manifest.json
observed e445ab5dab94e8e1f61e969821560f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.551170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045243/publication.md
observed b567447975bba5da7e84fdeb819e5ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.532135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045243/publication.txt
observed 332bf6425b81c1939a1fced7ec7705fa...
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.