OpenTechnical

OT-2026-000039670

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039670) never changes.

Identity and time

Publication numberOT-2026-000039670 · never reused
Internal UUID01a0ae78-d8d4-7aca-875e-160c1df85f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039670
StatusPUBLIC

Content hashes

Canonical text8c03b20f350876ac3941f3c890170c069f34a2e3f3a41d6e13855ca53da5e3ed
Markdown9c83f8b03f08ce842fa7e3a216a2abc9454b71349c5cc35e44611cc0fb5b22af
PDF
Publication pageb19dec67a225fe35cc6bca00efbbbe67e0a1c60b508b26f194b63a5c57ba054e
Manifest2f39efec5ab7e75463f3228c338b809b3f0671acc4091450c760cac25c5b1697

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
SignatureV6GVfkMjAWDg/9s0SSMnJ/YhNnbBa7kkCn49Jq9tTrni5Pdi6/6IvySuufLBeSqVw7+xtrpw3W0gMgEHKJR/DA==
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

2026-09-17T11:19:51.237387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039670
observed b19dec67a225fe35cc6bca00efbbbe67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.217376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039670/manifest.json
observed 2f39efec5ab7e75463f3228c338b809b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.199205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039670/publication.md
observed 9c83f8b03f08ce842fa7e3a216a2abc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.181667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039670/publication.txt
observed 8c03b20f350876ac3941f3c890170c06...
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.