OpenTechnical

OT-2026-000074440

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000074440) never changes.

Identity and time

Publication numberOT-2026-000074440 · never reused
Internal UUID01a0ae93-717a-740f-aed6-cee5774168a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074440
StatusPUBLIC

Content hashes

Canonical text333fd1981c175af2ce4cc0d3183fa609171cc6c313cb00ac887d7313cb07c5aa
Markdown8893139b9d281adc178d31aa928dff2f231f6c286f00925b8ddd42cd04725bf5
PDF
Publication page72eccc090d7b26061db6a579f43fcc49d710f3dff3c849e56812c2fcce8665f8
Manifest01f15dc1ee2c59e5a1dbc000fb5c28d8a2300629192b6515fa016ec5a51d3a24

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
SignatureBCUVaet+8RBpmnHSlRd3Z1adxaq92v2xQrRbJorcfiCENbFKT5tvZy0FCOnl88UMSx497HUGt0ZVIOhvg4OeDQ==
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

2026-09-17T10:19:23.627719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074440
observed 72eccc090d7b26061db6a579f43fcc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.608227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074440/manifest.json
observed 01f15dc1ee2c59e5a1dbc000fb5c28d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.587803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074440/publication.md
observed 8893139b9d281adc178d31aa928dff2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.564475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074440/publication.txt
observed 333fd1981c175af2ce4cc0d3183fa609...
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.