OpenTechnical

OT-2026-000011564

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after set-down

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-2026-000011564) never changes.

Identity and time

Publication numberOT-2026-000011564 · never reused
Internal UUID01a0ae6c-8900-70a1-9b0b-5d6ba32087cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011564
StatusPUBLIC

Content hashes

Canonical text49269a7520d43369ba7dfdeb413ac27e42c2cbfd9ed18cce00133a4d9e98868a
Markdown711e9ca3ac67329b2d92dbe8729aff19d0a3efd435fba353927a48563b772900
PDF
Publication pageec0e111c573a027aada72348d3a4b58693190715bc5f664b24bca6aa0ee66b0e
Manifest90fbd2d3e3ffee865542fd78bbd73e0d4dea3bfdbed19d685ef3eee38045a5db

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
Signature6FbkiB8hnNu4cHsXxeayErHVWLXFauKJaIqXvgiJrzRZGyLvdXwGU/9yZZ2LKiMIvYMg6qk22YsTgEyyHfjGBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:27.718622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011564
observed ec0e111c573a027aada72348d3a4b586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.699861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011564/manifest.json
observed 90fbd2d3e3ffee865542fd78bbd73e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.684195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011564/publication.md
observed 711e9ca3ac67329b2d92dbe8729aff19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.666509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011564/publication.txt
observed 49269a7520d43369ba7dfdeb413ac27e...
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.