OpenTechnical

OT-2026-000048305

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048305) never changes.

Identity and time

Publication numberOT-2026-000048305 · never reused
Internal UUID01a0ae80-4de3-7cba-bbb9-7da6eefe4f07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048305
StatusPUBLIC

Content hashes

Canonical text2e312917c4dfe8b7c8711fa0b910c3181fddf3abc4ce3b5109543915294eb8e2
Markdown01531382d6d90d4190bc316c0285a5e9a3af067847479516d4856a5f8fe3b8af
PDF
Publication pagefea9b09dd20e27d765612d872f9c8d6d9159d5654dd271b49a9117b1d52e048c
Manifest54a918a853ab4c66122600d64b78f4058e57abb2a6fc35e514a1c3feb3bf8aba

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
SignaturerZarEOcIy2Di2N7IJxQGWMfrhkjhQB3dy68ngO8+WoadoUDu+94poZQ2jp9HVpYaFzJ+gzxJCVLVBJhl23+aAQ==
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

2026-09-17T11:04:53.973994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048305
observed fea9b09dd20e27d765612d872f9c8d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.954233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048305/manifest.json
observed 54a918a853ab4c66122600d64b78f405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.934570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048305/publication.md
observed 01531382d6d90d4190bc316c0285a5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.911888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048305/publication.txt
observed 2e312917c4dfe8b7c8711fa0b910c318...
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.