OpenTechnical

OT-2026-000004960

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, plant vacuum fed, silicone cups

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-2026-000004960) never changes.

Identity and time

Publication numberOT-2026-000004960 · never reused
Internal UUID01a0a929-41b7-7943-8e42-f6a15cc896c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:40:48.442409Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004960
StatusPUBLIC

Content hashes

Canonical textd18010f39242eda11d9ece5c2876bda15d0c45750d077f7c2ed9156dafd6e2dd
Markdown53edf8649fa0ed63cbe3a2f23c4e1c176cdc8687749479b7eaa734cbe9d73d16
PDF
Publication pagec280f735ce0ea4436b0e79f5c56afdc07f8959d8ee658c6cd7c54573bbd55336
Manifest57bb6386fc4a5e44f4b442d55f16f31032fab9e0394a529a60ec879288cfed9a

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
Signature7sXYkfCq7GrL2iN4dELfHdJn3DWqNe4UZJMD8PoEMgJuh20UHI3umeaBWvueoTXhEgEUgdh8mbdxxYJMRcM+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:30.673191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004960
observed c280f735ce0ea4436b0e79f5c56afdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:30.661471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004960/manifest.json
observed 57bb6386fc4a5e44f4b442d55f16f310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:30.649480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004960/publication.md
observed 53edf8649fa0ed63cbe3a2f23c4e1c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:30.636617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004960/publication.txt
observed d18010f39242eda11d9ece5c2876bda1...
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.