OpenTechnical

OT-2026-000080606

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080606) never changes.

Identity and time

Publication numberOT-2026-000080606 · never reused
Internal UUID01a0ae96-7e79-77d6-99c6-4e028ad8b5c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080606
StatusPUBLIC

Content hashes

Canonical text64ea381510ae0bcee1eee1298f422df5fc1df605b2ce2f98a7576e462e5e9daf
Markdown86edb8ff533680405bae3d8b6daef4b40aea278e972210337c1f2e02266c4db6
PDF
Publication page993b04a539d71846917da6d7b8577b2d3edc56fd00ce9f92560a99ed4af4b38f
Manifestc13b4e3097ccee8a6a8e12bc60b4dad6c38fdfafcb7f0f9230d9633834f6d5e0

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
SignatureTj8WKv1y0IbR2rB7phRIs3tq9+RhvLYoWWUhj4upRWy20RMPzH9ebcf3F8a4BnQb3Wg1+ru6IvjJUePpvplVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:14.641204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080606
observed 993b04a539d71846917da6d7b8577b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.624486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080606/manifest.json
observed c13b4e3097ccee8a6a8e12bc60b4dad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.607269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080606/publication.md
observed 86edb8ff533680405bae3d8b6daef4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.589509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080606/publication.txt
observed 64ea381510ae0bcee1eee1298f422df5...
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.