OpenTechnical

OT-2026-000025139

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025139) never changes.

Identity and time

Publication numberOT-2026-000025139 · never reused
Internal UUID01a0ae71-5fa5-7c73-9cf3-0d64b88f66cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025139
StatusPUBLIC

Content hashes

Canonical text3f28aa96072e0abbcdcac86d0eeeec642af3d2e398000101f14d4519f0199c91
Markdown593f9ef015b723d77d381106a351fa043fca8c8aad7a8d172f9d499831a44a85
PDF
Publication page46b73d3606be02eee0616cc88bb16949765e3117a1cc1adef66365eb15de75a5
Manifest6cf38114a00dea3b2c5292dc1f06d4300adbc62f1ed3ecdfdb34bbe5492cd07e

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
Signaturef9VRpB1UJew0AN9RWBTPARvr5/jjzk6AW2NPa0CqvdZ+LxGVT1RZhjatoBWDnJidiEqpxuuaP7WnKmVaK4a6CQ==
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

2026-09-17T11:47:01.280519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025139
observed 46b73d3606be02eee0616cc88bb16949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.261785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025139/manifest.json
observed 6cf38114a00dea3b2c5292dc1f06d430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.243773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025139/publication.md
observed 593f9ef015b723d77d381106a351fa04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.225905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025139/publication.txt
observed 3f28aa96072e0abbcdcac86d0eeeec64...
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.