OpenTechnical

OT-2026-000071951

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000071951) never changes.

Identity and time

Publication numberOT-2026-000071951 · never reused
Internal UUID01a0ae92-47c0-7430-bd1a-72e329aac981 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071951
StatusPUBLIC

Content hashes

Canonical textf4a5302c80c2f5efa475ba4767c3a2125e188499d641e0f64d74c39080cae617
Markdownd7802f6ed5521fed560e6f52cb9c558f00d02a83dbbb8fc32ab4e897eb385334
PDF
Publication pageba3cff24c6f26002fdf079523e350f9f7877f62559264c9832301e9e5e647407
Manifest194a72da7ed3faac4a4ee1a612bca56977fadcd19c1d6f684abdc099385c7faa

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
SignaturerrAvLGzt5E3g4BIwzCSL+p2MPGaCL4gd1Y7mjGYXz3yahbHj7e2dSD7RXI9FJBC1MVi6xlDicuT2WB0mckgvCQ==
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

2026-09-17T10:22:59.307830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071951
observed ba3cff24c6f26002fdf079523e350f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.289655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071951/manifest.json
observed 194a72da7ed3faac4a4ee1a612bca569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.270469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071951/publication.md
observed d7802f6ed5521fed560e6f52cb9c558f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.250251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071951/publication.txt
observed f4a5302c80c2f5efa475ba4767c3a212...
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.