OpenTechnical

OT-2026-000013211

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000013211) never changes.

Identity and time

Publication numberOT-2026-000013211 · never reused
Internal UUID01a0ae6d-6fc8-76d7-a68f-e1117d5f2c32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013211
StatusPUBLIC

Content hashes

Canonical text0e4f825e33f362f0871310f0e78676ce25a561f27f08cbb0841bf7e6c1a2db33
Markdown4ce2c7e63d648a3bb13a5ee20a87947f80a96350cc76df4fcad5f42cdd7373e3
PDF
Publication pagee492147db2545b0b65081e985ef1265d7300e37264160a3c86b89bea7fd5ba99
Manifestf8c8f81f5b73eacb6ccd8f4ffc95e938309364b97f4d57da5f5334dad2a0fdfa

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
SignaturessSArCkBjLvDmQGkB6i+h9G9KItCNn8CqrrofBjetF5ojBNnVQ8bt6/TBC2sr1PR4mqdT/y1Nq4KVu5rE8rKAw==
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

2026-09-17T12:09:35.999143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013211
observed e492147db2545b0b65081e985ef1265d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.976933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013211/manifest.json
observed f8c8f81f5b73eacb6ccd8f4ffc95e938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.956366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013211/publication.md
observed 4ce2c7e63d648a3bb13a5ee20a87947f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.935687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013211/publication.txt
observed 0e4f825e33f362f0871310f0e78676ce...
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.