OpenTechnical

OT-2026-000049722

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049722) never changes.

Identity and time

Publication numberOT-2026-000049722 · never reused
Internal UUID01a0ae81-8fef-7555-b3a1-6b18d01444f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049722
StatusPUBLIC

Content hashes

Canonical textd947f73a3d0572cd6b516deda0b7ff6effea46fb6da85a069eee85c75160a80e
Markdown7e8ba61554cae61666fab78fe8ae65a87f8ab75b4bc61559ad9cffb5867218f2
PDF
Publication page613b6887e230e5ed46d8bb259731097704cc277633117f5f4e6d85a8501939a6
Manifest8160ff0eaabaa55870f21c8da9d5256118b3b95819627591dd70cdcd6d7c9d0b

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
SignatureHdfykDHEe7LXtdgUC8k6x8wiGFQd7mXVeeOLJBNtHoeczSWSgURt4nkQtuyiuRiqFAnY5G6Nt+PggkfMwzwBBg==
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

2026-09-17T11:02:44.548746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049722
observed 613b6887e230e5ed46d8bb2597310977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.530770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049722/manifest.json
observed 8160ff0eaabaa55870f21c8da9d52561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.512895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049722/publication.md
observed 7e8ba61554cae61666fab78fe8ae65a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.495513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049722/publication.txt
observed d947f73a3d0572cd6b516deda0b7ff6e...
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.