OpenTechnical

OT-2026-000012297

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000012297) never changes.

Identity and time

Publication numberOT-2026-000012297 · never reused
Internal UUID01a0ae6d-39f5-70dc-a9ec-b8c4845aaad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012297
StatusPUBLIC

Content hashes

Canonical textea75c8eceaa76c345dcbec6fd9f1f8d7e844d4d0fd79aa3c8c87b701732eb3a6
Markdownc2b0953717267018bf5af56ed0f365e2a3e752e6a94eb86b1c7a25f982e0b6e3
PDF
Publication page9370d9c087811228e627b56ea23d14374fe692102bfb9da736e5116fd64b3868
Manifest3afb339d2ee53c3b2dff6a590e6f343585863bdb67a2451757961ffa02e2f8a4

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
SignaturehQ4NrgyGFRFERZ9iMORrqtpQY1YwWwHXmlF4jZfxuRnwRXsCg0yfi0QsDVHEqyBmN3wc9HPjHHbGCipoJJMLDg==
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

2026-09-17T12:11:14.428689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012297
observed 9370d9c087811228e627b56ea23d1437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.410043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012297/manifest.json
observed 3afb339d2ee53c3b2dff6a590e6f3435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.390949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012297/publication.md
observed c2b0953717267018bf5af56ed0f365e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.370797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012297/publication.txt
observed ea75c8eceaa76c345dcbec6fd9f1f8d7...
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.