OpenTechnical

OT-2026-000050077

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000050077) never changes.

Identity and time

Publication numberOT-2026-000050077 · never reused
Internal UUID01a0ae81-fd79-793c-9256-dfedcd75f10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050077
StatusPUBLIC

Content hashes

Canonical textb2b6d8dfbc7456dcf7dd13a331a86cab7482dd417fb02da9fbf5d0ebdad23555
Markdown82471b3efe0b66e3b30230df894d6714bea92eff20f58b9c1e2618c37fc883ec
PDF
Publication page0bca451d064d74a93eda46026cf539a269fc1e6f00df7f2091182b06217993c7
Manifest6660102325d8c64c80cbb5d9908531be48363a1f241cde2fbef7c93e58fd72b8

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
SignatureMdJ46UTM6HthrP5LwNHYXzM8w2ECP+O3fthDUQ3gkHq5oN5pWH7yNC5VfIx9rNhk5dldwvlCz3PiLLnKZxXqCQ==
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

2026-09-17T11:02:03.970278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050077
observed 0bca451d064d74a93eda46026cf539a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.949474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050077/manifest.json
observed 6660102325d8c64c80cbb5d9908531be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.931963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050077/publication.md
observed 82471b3efe0b66e3b30230df894d6714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.914455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050077/publication.txt
observed b2b6d8dfbc7456dcf7dd13a331a86cab...
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.