OpenTechnical

OT-2026-000070495

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070495) never changes.

Identity and time

Publication numberOT-2026-000070495 · never reused
Internal UUID01a0ae91-5460-7081-ad1d-7f1c0ab665f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070495
StatusPUBLIC

Content hashes

Canonical text44a3aba1d0981fa924a9f414cdc240699e1bc3fab0f50f44a1520a629aa5ab51
Markdowne818dfa1d3b87419b991d863dc5046fdfed0f9d72c862297c6d6c06469558e38
PDF
Publication pagebcfe0501c4de0eaf38f379bff1702f61007d07cb9ef061f96e9472e758666e68
Manifest673110aed648f79d3ad9db93b0bcc3a83828440a25ad9ae5c754a80f79c01ff0

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
Signature9O1Bm3HHmjGEHcjBJQkycZp3ALt575oAyO7OdrdKNFUnry71bWobQ9DytbBtrSDR7WCs9gx62/Hpkna0HTfWAA==
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

2026-09-17T10:26:19.820743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070495
observed bcfe0501c4de0eaf38f379bff1702f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.803748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070495/manifest.json
observed 673110aed648f79d3ad9db93b0bcc3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.787400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070495/publication.md
observed e818dfa1d3b87419b991d863dc5046fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.769833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070495/publication.txt
observed 44a3aba1d0981fa924a9f414cdc24069...
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.