OpenTechnical

OT-2026-000014478

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000014478) never changes.

Identity and time

Publication numberOT-2026-000014478 · never reused
Internal UUID01a0ae6d-b27b-732c-842b-8f7825bb1969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014478
StatusPUBLIC

Content hashes

Canonical texte293879d573f31a8291bf52976a7b9a5191fac036e2bafeff04eac4820b75fbf
Markdowne056675b3613cb8815d6372820f55aad2ba9faae93def46f47ebff9feda79c1f
PDF
Publication page7b4c788382a2c5d2afe43ccb9da47b6c04b75f8ce61d94f24069bb6f3ac3e7eb
Manifest841a9257459ef3f15639b08f92f59ffd91a4ef2785e1fc35de10e0cfbd30549c

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
SignatureH/AiDUEKpQ46G7ZYTMJqwOvL8YE8ktUX/Ki5X86IciqRTcXrt7Nlnk/bqb6XKIgClUvzYLMui/hKfZZIWo1xDg==
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

2026-09-17T12:10:17.543443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478
observed 7b4c788382a2c5d2afe43ccb9da47b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.519061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/manifest.json
observed 841a9257459ef3f15639b08f92f59ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.497651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/publication.md
observed e056675b3613cb8815d6372820f55aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.476468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/publication.txt
observed e293879d573f31a8291bf52976a7b9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.674955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478
observed 7b4c788382a2c5d2afe43ccb9da47b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.657882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/manifest.json
observed 841a9257459ef3f15639b08f92f59ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.640880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/publication.md
observed e056675b3613cb8815d6372820f55aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.623199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014478/publication.txt
observed e293879d573f31a8291bf52976a7b9a5...
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.