OpenTechnical

OT-2026-000049857

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000049857) never changes.

Identity and time

Publication numberOT-2026-000049857 · never reused
Internal UUID01a0ae81-fd75-7797-a2e8-1ef7650d8c3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049857
StatusPUBLIC

Content hashes

Canonical textccd0006a433a685d30ed7a784e6b1decf837e4122e2261dbd3859f4e3c743657
Markdowndc429053a07b5f56003378386c165377c52a279713f8dd10ebc47d1a68c75130
PDF
Publication pageab84ed06ca883ca806658d57466e450c9c5d1b1c830cc97c92c6de83c3f2efcd
Manifest27401e66b2317ec194ef4058fc2d8b105b5374f209a017b0d9b265bcd85dd1c6

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
SignaturesbwlF4tG61DGsj1OShqsxtL4LjpsxDDcc687eI+/Ql2Hijj9t7H5Tb8ygDg9jHhy3ee3/8DbWJGQoh5hFz1JBQ==
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

2026-09-17T11:01:45.634471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049857
observed ab84ed06ca883ca806658d57466e450c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.615831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049857/manifest.json
observed 27401e66b2317ec194ef4058fc2d8b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.597109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049857/publication.md
observed dc429053a07b5f56003378386c165377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.577889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049857/publication.txt
observed ccd0006a433a685d30ed7a784e6b1dec...
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.