OpenTechnical

OT-2026-000017074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000017074) never changes.

Identity and time

Publication numberOT-2026-000017074 · never reused
Internal UUID01a0ae6e-591b-7893-8e64-111d2c05a95d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017074
StatusPUBLIC

Content hashes

Canonical text6c96a851da0fc16f802ddf52499a48f79a1e294215fe2be03d0063233e0ae49d
Markdownb4898d370dedacd636280efe37f4554a3fc4b21da0321209ce34849736528aa1
PDF
Publication pagee80520e0a3f4e9bc1c4cf82277651b6579025e07a3ed947d61e4d8d11fb838d9
Manifestfacf62e4fcef25165ee507006b6bfe941d06f62629112df0859d0e0509952c89

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
SignatureUH65CM4Y3vaganHaw+9Ca3Umqd3LNldJlZYndfmtV3xAXywzmIkwGjpKDN2KdxttjQwB/tvViTq+BTfopC+wBQ==
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

2026-09-17T12:03:29.626181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017074
observed e80520e0a3f4e9bc1c4cf82277651b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.611359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017074/manifest.json
observed facf62e4fcef25165ee507006b6bfe94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.592979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017074/publication.md
observed b4898d370dedacd636280efe37f4554a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.575549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017074/publication.txt
observed 6c96a851da0fc16f802ddf52499a48f7...
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.