OpenTechnical

OT-2026-000034267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000034267) never changes.

Identity and time

Publication numberOT-2026-000034267 · never reused
Internal UUID01a0ae75-df0d-7561-baad-625ada5cafe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034267
StatusPUBLIC

Content hashes

Canonical textb557e9f6108fc2c42004d18c71a1f46d3f4b3b2d9534474fbf0bde18d05ec7cd
Markdownedefb303b956b056076ced853bce09fa6472f7f70731f0ce0cc5713d1fd5437b
PDF
Publication pagefbc8912bc47cde5c927983883ca265e3b8c21b7690cd8831fde724e9ef0a96f3
Manifest8c52e51191f380323c46ca4e5b611bc38af79698ea8023ef853a4de1b535f10b

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
SignaturezcX7HYj1+91FvPXyw5BjxnNA2JWWjj56IHbpNhku/xCqWUiXJOfbLJTUurJmWLaRF8pSKv39VDWtNBHJsucECQ==
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

2026-09-17T11:30:49.714111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034267
observed fbc8912bc47cde5c927983883ca265e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.685042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034267/manifest.json
observed 8c52e51191f380323c46ca4e5b611bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.666117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034267/publication.md
observed edefb303b956b056076ced853bce09fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.648353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034267/publication.txt
observed b557e9f6108fc2c42004d18c71a1f46d...
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.