OpenTechnical

OT-2026-000090704

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090704) never changes.

Identity and time

Publication numberOT-2026-000090704 · never reused
Internal UUID01a0ae9c-7f31-7143-893d-2c830a207794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090704
StatusPUBLIC

Content hashes

Canonical text0c0010d9e80ab3aca205a44f72013fba51dffc321c26718a6c7a2536e3b26ea9
Markdown5a36a5241795c2a5864365e3aff0d05e386284dcd42c620879269b0ea950741b
PDF
Publication page868f7a24c143724ca352c0df84f45d16220a9887b14325cad980918c3769626b
Manifestbf8d3ff6b5f63ed613a045d98255f03c28a2c3bc25a4aacb3799f7439c43304f

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
Signature+eHZtZmcOuscFK2joywucSQ9rXHz7Z1FxNP+D7wrpXJAXiphxNgWnzr2q4UNI/bv08bZRMtymR1FFVqrPSbXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:54.456314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090704
observed 868f7a24c143724ca352c0df84f45d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.437998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090704/manifest.json
observed bf8d3ff6b5f63ed613a045d98255f03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.420943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090704/publication.md
observed 5a36a5241795c2a5864365e3aff0d05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.403300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090704/publication.txt
observed 0c0010d9e80ab3aca205a44f72013fba...
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.