OpenTechnical

OT-2026-000096821

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000096821) never changes.

Identity and time

Publication numberOT-2026-000096821 · never reused
Internal UUID01a0aea0-a4ad-7ea4-9c57-e9761b4318c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096821
StatusPUBLIC

Content hashes

Canonical texta3700ade89f2c3128a68628327d0af762cf6aac3f752551b3b37ffdc5f69bb35
Markdownb7567d148179552154b7314134553214f525bcf4e0637bf2e05aff6072f27be8
PDF
Publication pageac61fc294a2a513db4f8e738ea269f8fc22acb90650aa5aec3a4a08b888daced
Manifest1dcd6ef6656e0f1d3b9b74d842c8c64f882c735879323465377f5293058799b7

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
SignaturehC6IiU+gxWwrqGiLNyD2x8pjQeJ+evK4D+Sz5Vs4c+s29O/UzAlORhaYTW9kbm/jK7CQLJolpcYzR16IvSl2AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:34:24.948801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096821
observed ac61fc294a2a513db4f8e738ea269f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:24.931034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096821/manifest.json
observed 1dcd6ef6656e0f1d3b9b74d842c8c64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:24.913826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096821/publication.md
observed b7567d148179552154b7314134553214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:24.894834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096821/publication.txt
observed a3700ade89f2c3128a68628327d0af76...
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.