OpenTechnical

OT-2026-000091213

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000091213) never changes.

Identity and time

Publication numberOT-2026-000091213 · never reused
Internal UUID01a0ae9c-f16b-7c23-a152-69e1352a1350 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091213
StatusPUBLIC

Content hashes

Canonical textc234793ead606ebb6a82165ed6f6887e2d5d7ca48f220269105bc9d94eb5732e
Markdown4479e7d11d17ffa89787f192fd59adeb90ea3ab6befcc0d72ea87551dc0fc424
PDF
Publication page510076abe4ef15e2cb8722f8500f8bfe653ae0869c77418697a38c8630cf5596
Manifestcc1262aab99fb45c417f9ce34c7fca5d15ca9402169dfc75f3b791774e01fc4d

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
SignatureigrjHeV841MPN4HbI8IGCDOud2neWiiQt+AgpJhmhuKz9D8ka2j5I2fAoeHVpkSv5Q+hw3oVMOks6HSl+0heBw==
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

2026-09-17T09:43:22.886441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091213
observed 510076abe4ef15e2cb8722f8500f8bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.869539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091213/manifest.json
observed cc1262aab99fb45c417f9ce34c7fca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.852966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091213/publication.md
observed 4479e7d11d17ffa89787f192fd59adeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.830883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091213/publication.txt
observed c234793ead606ebb6a82165ed6f6887e...
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.