OpenTechnical

OT-2026-000036690

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000036690) never changes.

Identity and time

Publication numberOT-2026-000036690 · never reused
Internal UUID01a0ae77-46e8-70c3-88aa-e8335856f95e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036690
StatusPUBLIC

Content hashes

Canonical text193d3e683b97616dbbdeac452d7065592aadef6dc36f213a8b9d640c6af1f645
Markdown587a22a8856e999b59add3d48ee863caf9e1b9271a02bcfd2c4189d03e651e2c
PDF
Publication page04c705dae5853f57cf0adb9f654c241c4579300d03e9d9222075fd6a6fe45653
Manifest412f9cf8fd0564b173122f751e2ec67c047e7720a575004ebaa053376c7b5def

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
SignatureXAAEHXbC2DU4uHa7e4v69jogVN99CLvfdue9ElPZDf9X8oK3Lk14myihEadhfu2PSrFASZ+SGJuLUPCv3pYiAA==
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

2026-09-17T11:26:02.852521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036690
observed 04c705dae5853f57cf0adb9f654c241c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.837391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036690/manifest.json
observed 412f9cf8fd0564b173122f751e2ec67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.820156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036690/publication.md
observed 587a22a8856e999b59add3d48ee863ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:02.802851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036690/publication.txt
observed 193d3e683b97616dbbdeac452d706559...
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.