OpenTechnical

OT-2026-000013387

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000013387) never changes.

Identity and time

Publication numberOT-2026-000013387 · never reused
Internal UUID01a0ae6d-6fca-763e-ab5c-2eea54a5d8cf · 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-2026-000013387
StatusPUBLIC

Content hashes

Canonical text18a23dd9d64a50ee5a45a382c0b6fade699ba264b9ead8468ddd4fbe4ef27811
Markdowne3913ce59475bb8f1af8325b81d232a60ecdbdc594d6cd207a6b239a16714d84
PDF
Publication page5142f8d5d151e91b28d465f4f5e938243ae9a182ea3d365a21dcbc8b37e56435
Manifestdef1128f784d6e749dbc4fb920cd19ea1d2f556a684b5099dce805759f4aacc3

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
SignaturemqFzxt1VuMiDbpYzMDiKy+UZYWIQLMB6tRQNTh8Jfur2N97Z8t+slaUd2g5D9/+J8b64Z7SH9t/8rZgKu4jAAg==
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

2026-09-17T12:09:51.427093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013387
observed 5142f8d5d151e91b28d465f4f5e93824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.405544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013387/manifest.json
observed def1128f784d6e749dbc4fb920cd19ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.387266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013387/publication.md
observed e3913ce59475bb8f1af8325b81d232a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.366935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013387/publication.txt
observed 18a23dd9d64a50ee5a45a382c0b6fade...
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.