OpenTechnical

OT-2026-000068491

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000068491) never changes.

Identity and time

Publication numberOT-2026-000068491 · never reused
Internal UUID01a0ae90-2481-7e65-b505-d170bdbfad7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068491
StatusPUBLIC

Content hashes

Canonical text52b06b65fe0fad18d3921f4f960107a2fb4188acd08aeedf97d8bb81f450cab6
Markdown7908b18af38aa8735dbfbd3467ecefe9ccd1d64f5751fe4c7f3c26ed822ecd37
PDF
Publication page5e934b33e7b29e04c3bacac93de28a9c40c59b6c39a38c00af411fb14b267509
Manifest651d120cd3183f3ed473add51efbf9a40ce43c11e02af8c0d80822846c1762d3

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
Signature64y3XtgzmN6DiTwpU7Rjz+tVoWL/u2ff17k2+ASbLH+rygra3K4GZNfV9e/3wq2twP7u9R7t1vi6qCom8Y11Cg==
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

2026-09-17T10:29:38.807404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068491
observed 5e934b33e7b29e04c3bacac93de28a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.789463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068491/manifest.json
observed 651d120cd3183f3ed473add51efbf9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.772919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068491/publication.md
observed 7908b18af38aa8735dbfbd3467ecefe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.753519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068491/publication.txt
observed 52b06b65fe0fad18d3921f4f960107a2...
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.