OpenTechnical

OT-2026-000036799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000036799) never changes.

Identity and time

Publication numberOT-2026-000036799 · never reused
Internal UUID01a0ae77-773e-7d6f-a54a-89d350fc392c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036799
StatusPUBLIC

Content hashes

Canonical text7fcd998acd41ef9db72bcb5bd843ff739b3194ba4bd8b479b941e207dbe9cbd2
Markdown62f45ad29ac24b48a0eb25ca3f46a6ccd6d17fb452066c12c9ccba054130c5d4
PDF
Publication pageecbb619294acccd8f0e738c78fdb8a7cebe57a2ca39226cce49953788340dc9e
Manifest739c40bcfe12bd6f5f43acd803f3f6e335e2627d828a52a4a6daee32c57ac7ad

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
SignatureLsbzCJUh/H9xwJai+fgk3Y6Pk+r14+sQ55A+fn5Fjd+3vdyHfZfhaCuHsoo6G1+Mzcjdbf5sPYB5sRHqgBrEDg==
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

2026-09-17T11:24:24.486954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036799
observed ecbb619294acccd8f0e738c78fdb8a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.468704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036799/manifest.json
observed 739c40bcfe12bd6f5f43acd803f3f6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.452740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036799/publication.md
observed 62f45ad29ac24b48a0eb25ca3f46a6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.436662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036799/publication.txt
observed 7fcd998acd41ef9db72bcb5bd843ff73...
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.