OpenTechnical

OT-2026-000015194

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015194) never changes.

Identity and time

Publication numberOT-2026-000015194 · never reused
Internal UUID01a0ae6d-ef47-7303-8c5b-169d9f13d04e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015194
StatusPUBLIC

Content hashes

Canonical text91a5a2b633bc5838c301a2f1c8f72fc7ecc340907ccea42349fd0360fe75fe53
Markdownab8a3e093e6fbf03df931513f2b534360bd9abe7968107ea0fd9e988993919eb
PDF
Publication pageffa8bdf902c7b08b820031bb7565c4a873ef1af99abc2b2df5d20a101386616b
Manifest7c6254f8d98fb094d820ce03bb25b70ff6927cb8ed59f340fc1d95367454fb2c

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
Signature9jOIWKa1D0Vs3OVq5Gadx4t1gbfkfJxseoh2+BtagftfpiVAnQ+U4TKrBPClpgYbQCAVyo2icPyeY8lz5W64CA==
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

2026-09-17T12:05:49.370560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015194
observed ffa8bdf902c7b08b820031bb7565c4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.352662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015194/manifest.json
observed 7c6254f8d98fb094d820ce03bb25b70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.334742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015194/publication.md
observed ab8a3e093e6fbf03df931513f2b53436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.315259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015194/publication.txt
observed 91a5a2b633bc5838c301a2f1c8f72fc7...
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.