OpenTechnical

OT-2026-000012483

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000012483) never changes.

Identity and time

Publication numberOT-2026-000012483 · never reused
Internal UUID01a0ae6d-39f7-7cc7-8fbe-c576ef32bb0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012483
StatusPUBLIC

Content hashes

Canonical textae3e047a95ed11d2415367425d2430963512213d500092069343f66433585e8f
Markdown6203d633b6d9484fd4e8ba9493f3de52c4c994d90c950502946729f1d9eb6819
PDF
Publication pagefd9955eddfe3c3d2ff871859061ce9ecf0cd8bbff567e03cfa3a9d4000737b60
Manifest15f3109a51502c31b521ffcfc5cde31a3ba35933360c63784c170ec138acf224

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
Signature1A1gXkLJ9FZjzAFbCwtPvLYJJJRamX3DOxu7v6qSxogGs3TmdreCbfJsGyeRw3wg4d76IjFLf5twdjhra2JsAQ==
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

2026-09-17T12:11:59.778597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012483
observed fd9955eddfe3c3d2ff871859061ce9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.759750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012483/manifest.json
observed 15f3109a51502c31b521ffcfc5cde31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.740466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012483/publication.md
observed 6203d633b6d9484fd4e8ba9493f3de52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.722549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012483/publication.txt
observed ae3e047a95ed11d2415367425d243096...
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.