OpenTechnical

OT-2026-000072707

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072707) never changes.

Identity and time

Publication numberOT-2026-000072707 · never reused
Internal UUID01a0ae92-89d9-70b1-9c0c-81e77e7a4e2e · 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-2026-000072707
StatusPUBLIC

Content hashes

Canonical textd7fceb7aacd4fa9381ff7eeea1c24d3b13cbb20dd2513232eccb8ce71a57f30b
Markdown068a6a283a731d7cc0e679e1eba9f8dd6c220f5ed82509f11017906ee0855261
PDF
Publication pagedf3a6569745aa0c4823fb63d436bd0df045cef4aabb0b38dad2eff7b0419d58e
Manifest9d7a448831122b34167fb4078bdfbcf6d60c892615aa7bcd7e89f175799644fe

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
SignatureT0xSWD3wPRv5rUiYVKZ9ccLiZLzUhBAqiXAy0CAUOOc9cZUwvKuz9o/4FdNDhtbpNd3u50Oe4yB1UsFWnfdLBQ==
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

2026-09-17T10:22:36.114497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072707
observed df3a6569745aa0c4823fb63d436bd0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.099201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072707/manifest.json
observed 9d7a448831122b34167fb4078bdfbcf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.082195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072707/publication.md
observed 068a6a283a731d7cc0e679e1eba9f8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.065148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072707/publication.txt
observed d7fceb7aacd4fa9381ff7eeea1c24d3b...
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.