OpenTechnical

OT-2026-000074874

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000074874) never changes.

Identity and time

Publication numberOT-2026-000074874 · never reused
Internal UUID01a0ae93-ac2c-7dc6-9296-4dd231ec575d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074874
StatusPUBLIC

Content hashes

Canonical text46fc38cc715e8e3c2d21839b93744dcadbfb0b0173ad022a620e9c51b630b7d1
Markdowne4fd224dea29479eaace128988fc8445e09770ae588d1ca288cd321715b2ff2e
PDF
Publication pageaef37d9d12b1995a8ab79e74e302e510701b3c3964274d771989f902d44ad00f
Manifest6335a9ebb9c13cdc29b9e8de7808b1d64a1057fa974f5da92dc3d4e39a1332d7

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
SignaturebwZAQqiT82OE8akQZyNRQ1c804OVrXLvDFQazEB+jxhnXOFwTTzbgC95QPWzTQUc8AuoE52995fxNm0wP7+GBQ==
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

2026-09-17T10:18:35.572310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074874
observed aef37d9d12b1995a8ab79e74e302e510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.553820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074874/manifest.json
observed 6335a9ebb9c13cdc29b9e8de7808b1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.535909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074874/publication.md
observed e4fd224dea29479eaace128988fc8445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.519521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074874/publication.txt
observed 46fc38cc715e8e3c2d21839b93744dca...
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.