OpenTechnical

OT-2026-000029342

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029342) never changes.

Identity and time

Publication numberOT-2026-000029342 · never reused
Internal UUID01a0ae73-5e20-7e01-9b6e-571c54e0b258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029342
StatusPUBLIC

Content hashes

Canonical text6574e77c5807b439f0ef940a54057bd9ed0aaf6852826a8ce1a607b3bb1bcc5e
Markdowne4858895b5bfa243cd6eff2431ad8207b80282a16f3b542204fea62fd0698f8b
PDF
Publication pageafee4b34685d445dc5737d6daa0870ef6a908315a144bd40ed683692cbc4e0d7
Manifest25b1f9ea4f5a904e3a601a1e0d04f7508c0459c852279359622f5138efdd4dba

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
SignatureJfNMEpkhUSBQJO0O7r4S66zHlsuiQJZFZ7XYO5xS03ya29O9ci87eem1x1nYa6MJfum9m+EkVWMf8KdKUqQHAg==
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

2026-09-17T11:38:53.593613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029342
observed afee4b34685d445dc5737d6daa0870ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.576689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029342/manifest.json
observed 25b1f9ea4f5a904e3a601a1e0d04f750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.557616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029342/publication.md
observed e4858895b5bfa243cd6eff2431ad8207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.538557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029342/publication.txt
observed 6574e77c5807b439f0ef940a54057bd9...
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.