OpenTechnical

OT-2026-000020274

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000020274) never changes.

Identity and time

Publication numberOT-2026-000020274 · never reused
Internal UUID01a0ae6f-437a-751b-9275-ea4c2f01ca8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020274
StatusPUBLIC

Content hashes

Canonical text6c03cc3b017b25c0bd9c7698ca2d655dde496809043f5dea0da10235416c07e5
Markdown9761b85f604928cbb1724ae5d795c184be9f19c45228315e99750dc72a92495c
PDF
Publication page5e55eba6f7cee48b693504ec16c13972b90d5d838745384d7a0cdf5d779264d8
Manifest951d7634ca4fe004048e57a3bdabeff39d1cb021b7ef8a6cb55b28c544032dad

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
SignatureD4yp7XjHZWnKxpfRyK1rdpT7RIv1ytQaDrDefDPgxkJJph+Nyd3SVgft92BFsQowedvmGw5b8cjMIV0ts+paCw==
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

2026-09-17T11:56:37.486619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020274
observed 5e55eba6f7cee48b693504ec16c13972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.467907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020274/manifest.json
observed 951d7634ca4fe004048e57a3bdabeff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.449550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020274/publication.md
observed 9761b85f604928cbb1724ae5d795c184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.431875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020274/publication.txt
observed 6c03cc3b017b25c0bd9c7698ca2d655d...
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.