OpenTechnical

OT-2026-000006154

Publication integrity record

Vacuum cup gripper, common isolation valve, 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-2026-000006154) never changes.

Identity and time

Publication numberOT-2026-000006154 · never reused
Internal UUID01a0a951-2c54-7981-9782-eb191791905d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:24.407069Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006154
StatusPUBLIC

Content hashes

Canonical text9e74e0d252eb05afa64bc874497f18204d1a8a248d158391becf26522902fad3
Markdown622f3165a383fba5a1cca82b3074cb5ddd633a6ee9b30ccb55cddc7a06f92d32
PDF
Publication page546cdf7cc0500188485c4bb672e27c8b458062268008e56b32280cb69047ee65
Manifestd1715f7f8346a9fc1539cb28ab2f66dca7976061401eadcb5c9658814eb02cd0

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
SignatureS6PDoOgJWIqQwfLgPNAV5QVG8hlFzPKjF5J/pOtmGdSQO32A0/8RTUsR3YS7/mZrqsPQ8VlIvh6YOHpIHxIpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:21.457411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006154
observed 546cdf7cc0500188485c4bb672e27c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.440826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006154/manifest.json
observed d1715f7f8346a9fc1539cb28ab2f66dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.412646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006154/publication.md
observed 622f3165a383fba5a1cca82b3074cb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.397870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006154/publication.txt
observed 9e74e0d252eb05afa64bc874497f1820...
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.