OpenTechnical

OT-2026-000003929

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, plant vacuum fed

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-2026-000003929) never changes.

Identity and time

Publication numberOT-2026-000003929 · never reused
Internal UUID01a0a90b-7e69-7d7d-81a8-bfbb1d33a76c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:17.900623Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003929
StatusPUBLIC

Content hashes

Canonical text6073d402ba938c45be47230efcfeea4c7145558cb7cc9d434c9e80d0354d894a
Markdownac1fa3e6f8e55f47c913fa2de0ad479e9b38cf64a34cb27dcd39e3b9d5f19cb4
PDF
Publication paged1815602e541eb8c2164d9847d206a1e4359933966e73b99813e6e8ba5b56b65
Manifestcf33bd39e837c60958438b5d3e656abc8bb882212c321f1d67fc9042dce93a14

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
SignatureQiy7/nDN3i7g5s5TO9A9edd/VUPqFc9Nh9eSWb/YP57qr/7pphkq7Z/4YxWeBhv21A1Z8KgkuwageKiyckcfDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:11.726018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003929
observed d1815602e541eb8c2164d9847d206a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.698900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003929/manifest.json
observed cf33bd39e837c60958438b5d3e656abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.679560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003929/publication.md
observed ac1fa3e6f8e55f47c913fa2de0ad479e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.664319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003929/publication.txt
observed 6073d402ba938c45be47230efcfeea4c...
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.