OpenTechnical

OT-2026-000048997

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000048997) never changes.

Identity and time

Publication numberOT-2026-000048997 · never reused
Internal UUID01a0ae81-134c-7a9b-81de-8be4dbe862c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048997
StatusPUBLIC

Content hashes

Canonical text917572fbbbd3d02288b53478390e99340ecd5048b4bb92d87bc6ba7719ca45c9
Markdown0625689c14d89eef7b4f478e6393b6468aeed4d332eab77ba8f6d89ee06dcdde
PDF
Publication page60551a98132bf6922031ad0cd100b6b26e22e7dab0d5fa747841bef976f45ca1
Manifest474948ca376b32518a0195bab410dc23098964ee8c9ba70e7fc984f13eaa2d83

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
SignatureeFWsukMAuv3N0x+s3Stcuxx34N3zdjDFwk6Jkf4fjGVgvjfmqwr3PY5G8ykor7yzku1ug+oJdOAaMU2u8UTxBA==
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

2026-09-17T11:03:12.428812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048997
observed 60551a98132bf6922031ad0cd100b6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.406286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048997/manifest.json
observed 474948ca376b32518a0195bab410dc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.383094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048997/publication.md
observed 0625689c14d89eef7b4f478e6393b646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.358800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048997/publication.txt
observed 917572fbbbd3d02288b53478390e9934...
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.