OpenTechnical

OT-2026-000012527

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000012527) never changes.

Identity and time

Publication numberOT-2026-000012527 · never reused
Internal UUID01a0ae6d-39f7-7129-885f-6e48ae5ed05f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012527
StatusPUBLIC

Content hashes

Canonical textc34d9fb4cb5197b0375d6db7d44cd81ec6a5129a4915b83633c12c4d435d9cd0
Markdowna7e86591fef6357b6acb2d3efde6fc9b7a8fc253b2f38a70f54237b44d1a8a12
PDF
Publication page029cc9fc62878d3d69ce28b18ba12164b447c436b2c10e523e7c9e0d3d5ba129
Manifest8278a7324d5381907fb2a10389be1f2b198135d586d8c33bfab180d823b38c67

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
SignatureQK5MwpeQ/WgRvzw1LgTrGB1Nd1me3aMeBo1f3F33BM44KR4idVA9bdADUSIfLMMS3XzD1SH16+FXKJh7cYD0AQ==
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

2026-09-17T12:12:03.078542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012527
observed 029cc9fc62878d3d69ce28b18ba12164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.058564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012527/manifest.json
observed 8278a7324d5381907fb2a10389be1f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.039747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012527/publication.md
observed a7e86591fef6357b6acb2d3efde6fc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.020033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012527/publication.txt
observed c34d9fb4cb5197b0375d6db7d44cd81e...
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.