OpenTechnical

OT-2026-000072520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000072520) never changes.

Identity and time

Publication numberOT-2026-000072520 · never reused
Internal UUID01a0ae92-89d8-78c5-8893-d05d1d932932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072520
StatusPUBLIC

Content hashes

Canonical text8d4bf9e930baf995b5ede0c7ac841279bfe92143db58dec85b192405653b5c15
Markdowne4e4859f847e40a46d97041a38153e4a465c1b00533ea854e3c5a82c58c1cccf
PDF
Publication pagebdb60900f7f45ce3fb796208a14c3c0c2c3fe0b890c98cdb150a2c66eae6375b
Manifest7062f3c2a62d90e4e05a3872ef27912507d3e2c4b6c5da8b02f3bcb8768e4c43

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
SignatureqGuBcZkw8httKm/4JI8gFYAKr2xBQfV7xeAt2BDPtQwAEj+X03wiZIXVKRUVUp/zipEqwbta2SQLZeLyt5N0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:21.068075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072520
observed bdb60900f7f45ce3fb796208a14c3c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.050076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072520/manifest.json
observed 7062f3c2a62d90e4e05a3872ef279125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.032825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072520/publication.md
observed e4e4859f847e40a46d97041a38153e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.014564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072520/publication.txt
observed 8d4bf9e930baf995b5ede0c7ac841279...
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.