OpenTechnical

OT-2026-000038444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038444) never changes.

Identity and time

Publication numberOT-2026-000038444 · never reused
Internal UUID01a0ae78-2d53-7f09-9761-e0a500b8f210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038444
StatusPUBLIC

Content hashes

Canonical text274f82a21ccc98ef7ea02574835a20f081930ff24bdda376ccbefd078c8af659
Markdowndadcd202b2710af9152da9dd7bde5b669cfa4a46f8817b6cbdf702bd19e46442
PDF
Publication page157ebed7f9a6746038aad6105ea2b75b34ec545d0f78a3fdaf902fb229eab500
Manifest228ab815ec4b10575807fd733295c107cf2a3fa53e4b37eb3634f194185117a0

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
Signature1gzt74VpbbWF4zVLKAoGbeoiX8vhc4abTuRKRr0ixbC/KhwUHXrs9igGecn3UJH132eREBCvxuMDrtwR/n9wCw==
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

2026-09-17T11:22:40.423507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038444
observed 157ebed7f9a6746038aad6105ea2b75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.405399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038444/manifest.json
observed 228ab815ec4b10575807fd733295c107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.385866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038444/publication.md
observed dadcd202b2710af9152da9dd7bde5b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.367042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038444/publication.txt
observed 274f82a21ccc98ef7ea02574835a20f0...
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.