OpenTechnical

OT-2026-000012485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012485) never changes.

Identity and time

Publication numberOT-2026-000012485 · never reused
Internal UUID01a0ae6d-39f7-769b-8e20-0b36ad28e0c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012485
StatusPUBLIC

Content hashes

Canonical textfe607ce2edc46290c4348fa11347ce10a5841705a7b7d40be92025b35552ec35
Markdown149ecdb0c5d14ee8c4df8083db30fe3384437bf9ff7cece018099d1c1d71f72f
PDF
Publication page8b9d5a118789623a2219fb1199f4014911ed3e43ed18a79e47ce5a8a6acdf343
Manifest0a09a346a14a360083af817752294cb9bd2e915c3ca0f5a4220d1591fda9f38e

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
SignaturevPGHAo6aRkOQfvhXk3PSlgKLKYvvf1Q2+3wHwZAwU3+0awKQCumJDJz9ZrA5boff6zGyds2Hr0EAzIrOj5IZBA==
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

2026-09-17T12:11:59.933260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012485
observed 8b9d5a118789623a2219fb1199f40149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.913504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012485/manifest.json
observed 0a09a346a14a360083af817752294cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.895950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012485/publication.md
observed 149ecdb0c5d14ee8c4df8083db30fe33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.877771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012485/publication.txt
observed fe607ce2edc46290c4348fa11347ce10...
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.