OpenTechnical

OT-2026-000007774

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000007774) never changes.

Identity and time

Publication numberOT-2026-000007774 · never reused
Internal UUID01a0ae62-843f-7905-a63e-570956e31dd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007774
StatusPUBLIC

Content hashes

Canonical text1f1769fe2b1c5813a03cb66b0134f1a4836de51620f6fc5bb84cb5181107ebb9
Markdownd3267d6fddef5006da0a557681aa32ca891f10acdf74a44ce482a2d95d3632d8
PDF
Publication page41df9bf31115848febb419ce6bbf6daf4e1b2c900ce0a31582ec8db6c3875913
Manifest82ec50a72dd1fe2771ad4a78346fe83fc43b5fe61f7fc768301935141a078791

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
SignatureEVx6PfBUibx+//Hp7hYWeNb56lTZDLlbrAZnEcKrDRCIYrzR/HUbBK7XPwULu8xWYAMrir8pJPgZt1kyOjQqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:10.346063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007774
observed 41df9bf31115848febb419ce6bbf6daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.326926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007774/manifest.json
observed 82ec50a72dd1fe2771ad4a78346fe83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.308730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007774/publication.md
observed d3267d6fddef5006da0a557681aa32ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:10.289481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007774/publication.txt
observed 1f1769fe2b1c5813a03cb66b0134f1a4...
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.