OpenTechnical

OT-2026-000048483

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000048483) never changes.

Identity and time

Publication numberOT-2026-000048483 · never reused
Internal UUID01a0ae80-4de5-7b43-ab46-0f18122ae84e · 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-2026-000048483
StatusPUBLIC

Content hashes

Canonical text6a6cb99f7131b239bcf478eb6b4c5d04788545de85c3db80f8139e7ad3e64003
Markdowndf923f5b6e0e0f8f6b87335475d1c3287b7c7aa7f5fd2113f2e0861ea5e9c19b
PDF
Publication page6c3d79eb13d5873bccf7f82a23c837def52555a1969400d1d61c885671a2addb
Manifest77cd24e2b415c3d646f85de40c2caef5ec204c4c974d3ffd595ed1df216f8f5f

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
SignatureadOImGk7i12GBl9T3Gv3UvwPGeerPdpOw40pDx1rH9Ga8xI/r1WNDju/0h/mT36EiEeCkiznhCHsMmVga73tAg==
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

2026-09-17T11:05:09.035712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048483
observed 6c3d79eb13d5873bccf7f82a23c837de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.015717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048483/manifest.json
observed 77cd24e2b415c3d646f85de40c2caef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.996172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048483/publication.md
observed df923f5b6e0e0f8f6b87335475d1c328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.976939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048483/publication.txt
observed 6a6cb99f7131b239bcf478eb6b4c5d04...
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.