OpenTechnical

OT-2026-000037059

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000037059) never changes.

Identity and time

Publication numberOT-2026-000037059 · never reused
Internal UUID01a0ae77-7740-7501-b0de-1f770bb72ce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037059
StatusPUBLIC

Content hashes

Canonical textdc72f5ec4da9f29364e221b843a42188de4be7937755f5f59c6559cf5a655f4b
Markdown45dfe0f85ccd04f95c8ccb80a42944d80d4d611fefb23bbbb3d7fe8474a48700
PDF
Publication page94b0dd9e42fdc9da8d0904b076b9e86a88c1fa148d22bcceea4cab5c7614e7c9
Manifestcb3e49bab042a1ef4d6352cee0ac8d1ab240d2ec1a818df143fb4804ffbe7185

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
SignatureMabdMIyOfDrjlAn1NydQiRqE/AR/snRwzS9cVC9Bx4QET+7m24ZoKKwOUmObe+8rwXDAX16Wxe7aIhdB2w8pDw==
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

2026-09-17T11:24:55.099054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037059
observed 94b0dd9e42fdc9da8d0904b076b9e86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.082497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037059/manifest.json
observed cb3e49bab042a1ef4d6352cee0ac8d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.063752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037059/publication.md
observed 45dfe0f85ccd04f95c8ccb80a42944d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:55.044484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037059/publication.txt
observed dc72f5ec4da9f29364e221b843a42188...
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.