OpenTechnical

OT-2026-000044767

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000044767) never changes.

Identity and time

Publication numberOT-2026-000044767 · never reused
Internal UUID01a0ae7c-911a-7695-8a0b-b84f7bb77749 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044767
StatusPUBLIC

Content hashes

Canonical texta9ac738a3d69a0d34cf8512abb019c7419fa2a8e6f738c0b42a2fc5812568474
Markdown01a770ab73ad921038321e9d72657813931c7f0cbb455212a324307e06aa3e9d
PDF
Publication pagebc2aec6d260bc73885783b5f6256c9352d87b2b287333f9c2c63c13f28880189
Manifest8875119206ad59ae34f5ed9f97f531b74492cc4c5e4c5424b2a0343afbc5f705

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
SignatureMfJHZDbPGC1Ho7gAn52+Ct9mdXU89KUEpH3THBFUb3ABsAK/xHYSubJgGobuqHunuO9UvmXmtSpSOPhOyu5bDg==
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

2026-09-17T11:11:23.334128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044767
observed bc2aec6d260bc73885783b5f6256c935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.317409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044767/manifest.json
observed 8875119206ad59ae34f5ed9f97f531b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.291011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044767/publication.md
observed 01a770ab73ad921038321e9d72657813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.272756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044767/publication.txt
observed a9ac738a3d69a0d34cf8512abb019c74...
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.