OpenTechnical

OT-2026-000020916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020916) never changes.

Identity and time

Publication numberOT-2026-000020916 · never reused
Internal UUID01a0ae6f-65e4-71e2-8d35-4e734d582dfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020916
StatusPUBLIC

Content hashes

Canonical texta6d4ed7f79197d2f8cfab827447f0cec2db3bd0ab3cc82f6e44ad8a90c41dfd7
Markdown49519422ab6493afd35a9ecede65de447ead7b44ec08b7e5a2e81b07935929b8
PDF
Publication pageb3674621df4be16ba2ea9f61b28423013e69854caad9e5b2c42678a4e0dce6fd
Manifestcc56aa82aa1eaece84116aead5db3c89008e045dd0c2fe7d64ba55f9d0c12ef7

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
SignatureDcq11St5qrW+lClun5wykl/o7pCBjFKKasChQjxrh8tX/4vV00Lm9EFhMsvfzMSlQRoNerB69CvXJaW1oNglDA==
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

2026-09-17T11:56:02.237267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020916
observed b3674621df4be16ba2ea9f61b2842301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.219335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020916/manifest.json
observed cc56aa82aa1eaece84116aead5db3c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.199760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020916/publication.md
observed 49519422ab6493afd35a9ecede65de44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.181344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020916/publication.txt
observed a6d4ed7f79197d2f8cfab827447f0cec...
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.