OpenTechnical

OT-2026-000011567

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line 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-2026-000011567) never changes.

Identity and time

Publication numberOT-2026-000011567 · never reused
Internal UUID01a0ae6c-8900-7e50-ad54-a9b5746504d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011567
StatusPUBLIC

Content hashes

Canonical text4c669032c7c1c2e421f95f43a959983b9448e044757957a5edb75e7851bc6771
Markdownaf33826232ebe578b8f8cc6c9c935425de8f2d095f34e0cd6c63fe6e8a9558d6
PDF
Publication pagef5eb4b117f92c3292372e6527510fab23b047ef4ad7c117264906f65467ddf7f
Manifest8ea8d6e19cc751d90f2adef9cc24aaed0672af0e2fdee4e3bf3e33af33fb1c5b

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
Signature3pX+nZIPoaf38T7PWyVJCDNt8jq10cCXeYD87zEHPo9OWGUZrjPwDMp0ivukWDeod6YjwyNvhfPLRRnny0lNCw==
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

2026-09-17T12:13:27.950646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011567
observed f5eb4b117f92c3292372e6527510fab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.931246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011567/manifest.json
observed 8ea8d6e19cc751d90f2adef9cc24aaed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.914247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011567/publication.md
observed af33826232ebe578b8f8cc6c9c935425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.895323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011567/publication.txt
observed 4c669032c7c1c2e421f95f43a959983b...
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.