OpenTechnical

OT-2026-000007413

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified at each zone, contact triggered, plastic 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-2026-000007413) never changes.

Identity and time

Publication numberOT-2026-000007413 · never reused
Internal UUID01a0a97d-eba5-7df6-bed1-bc74c0059e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:16.967985Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007413
StatusPUBLIC

Content hashes

Canonical textc00e7e02316c2152c25b5c78a7428a075bcf1f989794c583379505715d48a454
Markdownc5d19f1779394f8f58ac2bf16d16a95c9f4f65e036b244592bc4a637dc62446b
PDF
Publication page16bf816eaf0e21ea1f56798b7310961216ff79c68b583e036d593e8ace2f880b
Manifest3847567aec0fb3578ab8181f63ece8ebb864d92de2ea55e37b7acbe0065bb75e

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
Signature8rjoHhsq/xESN3o6/aL9NuMWwa94qQbS7pR97mRKN4w1G5h4DvA85PkIh9W5pgJ5sWx/2K6gVBAPpHXJB7hkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:06.759483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007413
observed 16bf816eaf0e21ea1f56798b73109612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.744974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007413/manifest.json
observed 3847567aec0fb3578ab8181f63ece8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.730582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007413/publication.md
observed c5d19f1779394f8f58ac2bf16d16a95c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.715990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007413/publication.txt
observed c00e7e02316c2152c25b5c78a7428a07...
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.