OpenTechnical

OT-2026-000015162

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000015162) never changes.

Identity and time

Publication numberOT-2026-000015162 · never reused
Internal UUID01a0ae6d-ef47-784a-b4f2-1bd9ad68d61a · 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-2026-000015162
StatusPUBLIC

Content hashes

Canonical textf700c1193d24c369d8ef9ba16a1b0f0dcb4829266f2c33ddf2f269b22c3bf06d
Markdown09d19d3dd78c96dd5aa079e5bf7541c8716989ec2f38e36fd02f86fa511c3a84
PDF
Publication page5432420f8c2706089df3f0a2aa60495b5feed8a2605a6e7fced8c4e8efff8984
Manifeste554c984df8bb7f348089e13fa251c5173f245130746060e09e5990dce46808f

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
SignaturezBp+NYpDBlKaJDXlUncpHVEDNTTyQrTPREqeQQWxXU6obOF+qLT7rFlQY7/d9aS0vuyILUTU+9/yqn/JDpSoAg==
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

2026-09-17T12:05:46.608338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015162
observed 5432420f8c2706089df3f0a2aa60495b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.590096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015162/manifest.json
observed e554c984df8bb7f348089e13fa251c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.520824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015162/publication.md
observed 09d19d3dd78c96dd5aa079e5bf7541c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.459937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015162/publication.txt
observed f700c1193d24c369d8ef9ba16a1b0f0d...
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.