OpenTechnical

OT-2026-000006349

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000006349) never changes.

Identity and time

Publication numberOT-2026-000006349 · never reused
Internal UUID01a0a957-e517-7af0-be01-c98d091a78db · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:44.922770Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006349
StatusPUBLIC

Content hashes

Canonical textda1d582c15d8b6a4421471c04b34fde654c73e6bce36cf5a101eb98870665a40
Markdownee6c68db9f9dc919f83b6e8ef9457b0d78dc31cb2754c94f08637e0c17960068
PDF
Publication pagede1273bdccb9b959a31b2ee6025c6f5c99734fb60f9306d4f22021fc453a5985
Manifest1027372a6d7a77c3f4a295be3701d5a532fcd1e34ed41f3e864f3103b2290a8f

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
SignatureZpHLxPMKb/+0YzTmXZDijdKYPlSM3uPhCGEsQdCNu8r9WjPrEANjBiWyUWXU/HdY1gXlvNmePpMXM3Xuo3t4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:28.383948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006349
observed de1273bdccb9b959a31b2ee6025c6f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.245172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006349/manifest.json
observed 1027372a6d7a77c3f4a295be3701d5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.231213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006349/publication.md
observed ee6c68db9f9dc919f83b6e8ef9457b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.218060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006349/publication.txt
observed da1d582c15d8b6a4421471c04b34fde6...
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.