OpenTechnical

OT-2026-000100416

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100416) never changes.

Identity and time

Publication numberOT-2026-000100416 · never reused
Internal UUID01a0aea3-66ef-7580-a706-3344f34f8c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100416
StatusPUBLIC

Content hashes

Canonical text132be7987a99110ecd30c9f421073a081d80c0814df1ab418f1bcb369e1d1359
Markdown80af4c6b26718c134bc26ea6e24b09cd12b07b1f0cb5274c163eea53f6628813
PDF
Publication pagedb85a085b4c04e5d9d7f0238e12ea9d4f648beda929b8501b8c727e035a836c5
Manifest0ddc88fc6995364c6949bb997d0d486859ef4b352ee5017fe525c28603533ba1

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
SignaturentklkbsjckUrGwIlRjdycoX7K6TLKx/pnDxeB+P3ma4lgkMvYvjrA0VFv1P6MBGSviN0d82P/IqX4OJ+cgYNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:09.447209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100416
observed db85a085b4c04e5d9d7f0238e12ea9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.429118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100416/manifest.json
observed 0ddc88fc6995364c6949bb997d0d4868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.410513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100416/publication.md
observed 80af4c6b26718c134bc26ea6e24b09cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.391477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100416/publication.txt
observed 132be7987a99110ecd30c9f421073a08...
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.