OpenTechnical

OT-2026-000017023

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000017023) never changes.

Identity and time

Publication numberOT-2026-000017023 · never reused
Internal UUID01a0ae6e-591b-7730-9fb3-ca74a28b3669 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017023
StatusPUBLIC

Content hashes

Canonical text26c16bd908409d65e4e6071c55546862f694cb6a9a15e5745d74f3cbf845ae7d
Markdown3ee9922e9947cbeb57373779f92175d148e8c695b276a02e2c87e887862cecf9
PDF
Publication page5c04a307bd0bd1d9b8ea1a2564d0fb133437c314d9b6cd89554bafe1883a79e9
Manifest954d88a2ec9029772694a1268e4e1973321a712db5f10b3f171f3c130cab6c18

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
SignatureC/YPoyzwjtISqniXT2Qwv5t4ase+VUEBnH5ZQX32T52EUzx9OF+2KSOU99stZysFnUgBQqVec6b3Qv9Dc6mQCg==
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

2026-09-17T12:03:25.959472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017023
observed 5c04a307bd0bd1d9b8ea1a2564d0fb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.941806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017023/manifest.json
observed 954d88a2ec9029772694a1268e4e1973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.926789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017023/publication.md
observed 3ee9922e9947cbeb57373779f92175d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.911293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017023/publication.txt
observed 26c16bd908409d65e4e6071c55546862...
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.