OpenTechnical

OT-2026-000012607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000012607) never changes.

Identity and time

Publication numberOT-2026-000012607 · never reused
Internal UUID01a0ae6d-5561-7d28-bde6-c82debf252a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012607
StatusPUBLIC

Content hashes

Canonical textd3f64c31b81d78e0de41a6ea7aa99c27654c1316cc8cf812e215d6fe700abac4
Markdownbd62b2a75d9263c74879ce10f647659a2524f919e42081b7c2c0f2e2663b7d55
PDF
Publication page2dc1c886792da61ee30e21e764c611b1140b2fb487b4e2c287a090dbe417ffc8
Manifest6cbb821b286992be7df5bb9c80f0a2759a6f99f0285b201975ec6192b35ede00

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
Signaturesrazfb6O2C6gy5WATFQh/09Q33JwYd6BnN4iXfz38qDmAO38PhejRMPjmT7sIl7SBzAPb74QDG0wfkoSeQR9Dg==
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

2026-09-17T12:10:12.150210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012607
observed 2dc1c886792da61ee30e21e764c611b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.132302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012607/manifest.json
observed 6cbb821b286992be7df5bb9c80f0a275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.114643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012607/publication.md
observed bd62b2a75d9263c74879ce10f647659a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.097120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012607/publication.txt
observed d3f64c31b81d78e0de41a6ea7aa99c27...
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.