OpenTechnical

OT-2026-000071189

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000071189) never changes.

Identity and time

Publication numberOT-2026-000071189 · never reused
Internal UUID01a0ae91-e0eb-7266-a9c4-af2165b9fa42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071189
StatusPUBLIC

Content hashes

Canonical text61c4391caea0ea1c5a74a60dbe39f0a622a0c61dbf48a21d8fb9b31be7bfb03b
Markdown8eb25189af3c7a5f43e06d6d8e79daa2ef11f848d83b17b08adbb5479b3d6674
PDF
Publication page5bcc4e31f357381a7aa153178cda61af15e0ce3e57db88d3f20b31df08b280e9
Manifest8b79c030c2f7e5985fd54fe205d17e4fe94077ceb101106d25713492e951fc6c

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
Signatureeb06B0IyLdRMJ1/Ft5iE415C47zhfGkPU7738qu9TPYAH/UEOk5TPXq23LXRRPoMfhpuF4cSWKAMln3ba6hXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:42.283878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071189
observed 5bcc4e31f357381a7aa153178cda61af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.266521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071189/manifest.json
observed 8b79c030c2f7e5985fd54fe205d17e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.248179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071189/publication.md
observed 8eb25189af3c7a5f43e06d6d8e79daa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.229262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071189/publication.txt
observed 61c4391caea0ea1c5a74a60dbe39f0a6...
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.