OpenTechnical

OT-2026-000067317

Publication integrity record

Four cup vacuum gripper, four 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-2026-000067317) never changes.

Identity and time

Publication numberOT-2026-000067317 · never reused
Internal UUID01a0ae8f-6bd6-726f-969c-c34c02049d2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067317
StatusPUBLIC

Content hashes

Canonical textc6ed8c681af022bea9515131a11f704d0df806ce5d02db0741b8f6173672100e
Markdown7546208457af2b170d5dce768271a58b8d4da19617945176cc49f41b1e86ddf6
PDF
Publication page5de377e0e6db80c1248f5666bad21e740ed5daaaa265e2cc9e763cd60ebb1ade
Manifest02279c448d35294ebcb2b5203535b1e39c27150bd6e2607bb756ec819a851929

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
SignaturePyy9E0tzKn9BWAjmKhwZ2J8WL4R4xH214dVkHvu41rahvMABzRbr5GeEiPNfS8GmjtC8RiBklmaJNJF+Xz+/Dg==
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

2026-09-17T10:31:29.454292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067317
observed 5de377e0e6db80c1248f5666bad21e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.437111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067317/manifest.json
observed 02279c448d35294ebcb2b5203535b1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.418657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067317/publication.md
observed 7546208457af2b170d5dce768271a58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.400347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067317/publication.txt
observed c6ed8c681af022bea9515131a11f704d...
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.