OpenTechnical

OT-2026-000005999

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pressure verified, contact triggered, rubber 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-2026-000005999) never changes.

Identity and time

Publication numberOT-2026-000005999 · never reused
Internal UUID01a0a94b-d08d-7177-a1c1-784ef97259b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:33.231526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005999
StatusPUBLIC

Content hashes

Canonical textd4df32924a540824736e0214c07c141c99014d5238cce2de132c44f6e026d555
Markdownd595c4d531088c621c2eae373070bcbcc2f9c27adddfb2e596ae0648d0b48497
PDF
Publication page11da7c07375136484f5d8cfce7a8456c12478147f0581be41b2beb3e387dce17
Manifest2bc1771e528241fca7b7dcf460e2dc6338470fb05fece93b273668987ccc83c0

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
SignatureYXqNl6OLmbM/aO1Q1K/9nQ/PzIR9SYPF1ocS6GkMJgfinMOEKcV/3z5wiJcoa0fVcXrCiGxT/RgRkNx/xdanDg==
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

2026-09-16T08:20:07.494744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005999
observed 11da7c07375136484f5d8cfce7a8456c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.475083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005999/manifest.json
observed 2bc1771e528241fca7b7dcf460e2dc63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.458972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005999/publication.md
observed d595c4d531088c621c2eae373070bcbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.440463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005999/publication.txt
observed d4df32924a540824736e0214c07c141c...
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.