OpenTechnical

OT-2026-000031447

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000031447) never changes.

Identity and time

Publication numberOT-2026-000031447 · never reused
Internal UUID01a0ae74-87ad-76ca-9415-70f631341c36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031447
StatusPUBLIC

Content hashes

Canonical text02076e52fde7b85929d4a17b186f6879cbf273bf3f86b04df780399bbf58c11b
Markdownb01f9daf5b2be7d18a82011db7858acd729605402e916dedc8b91b4746606ee2
PDF
Publication page66531a7c600d64bcbfbf1cb9a3f3bd2e51a1dc5bbd61613c96f549e92e6932ce
Manifest44b8b6dda3bd62b1160e6f187d5e89c10d66d58b34ffc37dcfd80c6582d125ec

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
Signatureedjf8r+ygTealBqabVyYvAmnVYzanmH1jLqrHbCr8HzEdQ1mA/PktLkFOW8KzRcXCA6cuSWKPhCAEUE4q9VqAA==
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

2026-09-17T11:36:10.324677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031447
observed 66531a7c600d64bcbfbf1cb9a3f3bd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.305607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031447/manifest.json
observed 44b8b6dda3bd62b1160e6f187d5e89c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.287015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031447/publication.md
observed b01f9daf5b2be7d18a82011db7858acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.269680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031447/publication.txt
observed 02076e52fde7b85929d4a17b186f6879...
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.