OpenTechnical

OT-2026-000048875

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000048875) never changes.

Identity and time

Publication numberOT-2026-000048875 · never reused
Internal UUID01a0ae81-134b-7ce0-9881-bca1d8f8b1d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048875
StatusPUBLIC

Content hashes

Canonical text59ee9492bafc40cab22739858427e74414e4b34d466a5b5eabb409a0a5314c76
Markdownf53d8f2b365b76ef516e10d27f5daf779fca0ce3e2e718bc8b57ac6b4fd563b3
PDF
Publication pageb4ad2f1cd62c0a9083175c0b7577006f45d03219c688fb32a011af38b2d82df7
Manifest5ca13885456d60c1e1e4645ef0c90bee24ab425b297f34648e728aac26e55375

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
SignatureyqECfcTEyIkDzCRiU9T5DU9XKgiXPdbpMdNbD/QmFEfg9DrnHtwxMUn+32FXMUaRN729Wk1pM4BpzKcrwziPBw==
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

2026-09-17T11:03:01.879197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048875
observed b4ad2f1cd62c0a9083175c0b7577006f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.861007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048875/manifest.json
observed 5ca13885456d60c1e1e4645ef0c90bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.843805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048875/publication.md
observed f53d8f2b365b76ef516e10d27f5daf77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.825594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048875/publication.txt
observed 59ee9492bafc40cab22739858427e744...
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.