OpenTechnical

OT-2026-000025306

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025306) never changes.

Identity and time

Publication numberOT-2026-000025306 · never reused
Internal UUID01a0ae71-5fa6-7db9-94cb-7f3de51b6445 · 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-2026-000025306
StatusPUBLIC

Content hashes

Canonical text6fcd554373a0e2a1b0aef0f35abac82e7072636f951038b12070a2333dfbd5db
Markdownf6a1c7aec5aa20e71e023913bb4387489ef7431751b402c76a18dc55d99854b7
PDF
Publication page23125680b1f3ecdf3ac2f55eabc88868e3b370d12c198bd5611bde622ae88dcc
Manifest0c2a1e02c6d277fd00e1444c9f2b23b56b5e5fd7e474532e089d742aeb86a1d9

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
Signature9wgScP1qUAnfin5MPpsu6UIsq8azeDo5dbxpqJYERWBF0ekvh8V4xN4GcmtFdRp0tLiLUdPpMMW7fcmvkeHdBw==
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

2026-09-17T11:47:19.561161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025306
observed 23125680b1f3ecdf3ac2f55eabc88868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.542420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025306/manifest.json
observed 0c2a1e02c6d277fd00e1444c9f2b23b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.524795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025306/publication.md
observed f6a1c7aec5aa20e71e023913bb438748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.505637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025306/publication.txt
observed 6fcd554373a0e2a1b0aef0f35abac82e...
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.