OpenTechnical

OT-2026-000048127

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000048127) never changes.

Identity and time

Publication numberOT-2026-000048127 · never reused
Internal UUID01a0ae7f-c424-7c46-887e-a77751dff689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048127
StatusPUBLIC

Content hashes

Canonical textc84f6cf6a5c813d541ca75c512fa05157979984e389be4a034339a2048a4e39e
Markdownf4f7214bedb6c7cd8556a3f8c1a8e994c7044d7c0ac9aa132e0c9e6ac59a9cb5
PDF
Publication pagecead5053dd3aa085bdd4fb6dc39d62ca4c1a3cae51ff6a2d299a9bd8cc72c4e7
Manifest67600c04fd6a235ca9a02b8330c3f0afea0fe2c663a1ea12cfd8e97ae6ff872b

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
SignatureWzuzSQGM3T3Gs7z0op6Zn083AdCG2qvirA8JOr9qd8jx3N6QD63ss6IQDdnLc2dSs9SCbUQQkYGW3nx1Ev9PAg==
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

2026-09-17T11:06:10.025712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048127
observed cead5053dd3aa085bdd4fb6dc39d62ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.006586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048127/manifest.json
observed 67600c04fd6a235ca9a02b8330c3f0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.986836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048127/publication.md
observed f4f7214bedb6c7cd8556a3f8c1a8e994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.969410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048127/publication.txt
observed c84f6cf6a5c813d541ca75c512fa0515...
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.