OpenTechnical

OT-2026-000005499

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, ejector fed, contact triggered on the face

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-2026-000005499) never changes.

Identity and time

Publication numberOT-2026-000005499 · never reused
Internal UUID01a0a93a-ffc7-7d04-9624-02f7c1291dc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:11.209902Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005499
StatusPUBLIC

Content hashes

Canonical textcd8b4b9bc6033048315ac8d046a716f1e49865be66480573ec353463f7ce601a
Markdown768e4c152d05fc48b5e26b122b2c044c8331fa046fc1288f76c27bccd64b9689
PDF
Publication page81e69a52d1a560de3e9c27524ad4886ce9ce26c911345e5e7470a679ddafb2cf
Manifestdf355e72850669b86eaac65a4c5e7af60f8249032ee4e65e81ff0db7000fe273

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
Signature7i1yCUiOTubF3C8V4JfJSSbGwAMrTwBFdgKOyGaUwGsYvkJZHhEETomiiJkyPe1OuKtdKlyKUXTq5bsFphOoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:33.637434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005499
observed 81e69a52d1a560de3e9c27524ad4886c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.622975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005499/manifest.json
observed df355e72850669b86eaac65a4c5e7af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.485074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005499/publication.md
observed 768e4c152d05fc48b5e26b122b2c044c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.472508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005499/publication.txt
observed cd8b4b9bc6033048315ac8d046a716f1...
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.