OpenTechnical

OT-2026-000061151

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000061151) never changes.

Identity and time

Publication numberOT-2026-000061151 · never reused
Internal UUID01a0ae8b-137e-7e77-bbbc-e84e1c2a9471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061151
StatusPUBLIC

Content hashes

Canonical textb9f721f1ed2628dfbcc91a64770b4a576a47bbf37851d5fb577c08824fc832b2
Markdown4426904e0087dd6e0efb1023cb6a678ee43f26235fc8477fcbd35476c5de7db2
PDF
Publication pagec553b312628602000b5cc46916d624e498c10dc180278ffd8b027c2bc2e7224c
Manifest0ca01ff495a1ea38baa9611c2fae2170284defe83d277e5434fa17848e22334e

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
SignatureNj9bwtbEAIgIV+eZKp3T2EEyjRR8nTqwgW5WVfb8JJVqvD3rxIX2g6rOresMwxDmhK39jSPNxK3fUOK0KeNBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:32.074054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061151
observed c553b312628602000b5cc46916d624e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.055033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061151/manifest.json
observed 0ca01ff495a1ea38baa9611c2fae2170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.036044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061151/publication.md
observed 4426904e0087dd6e0efb1023cb6a678e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.018008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061151/publication.txt
observed b9f721f1ed2628dfbcc91a64770b4a57...
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.