OpenTechnical

OT-2026-000068578

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068578) never changes.

Identity and time

Publication numberOT-2026-000068578 · never reused
Internal UUID01a0ae90-2482-76eb-b7ca-3fce26f157a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068578
StatusPUBLIC

Content hashes

Canonical text83fc89c32f6f6062ff59107578147c6f4912ca02c8c8c02d2ec99793859e1b9b
Markdownf1ce5281700f9ff975e34a68da80eed58504b58204f7b803f78af761c74ad8ed
PDF
Publication page1d6cbd4cc6ae88f93225e538cd8e78466b0f9428d32364b0e1cc7cd04aa480df
Manifest850928a7bb133351b8e6809bfb419a11086af46e7be4c0d297a7d2f413ad749f

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
SignatureoTjsG2tlbqeSfXclcZvWlMRVQm0nxnzk5xiUKhEPpa6Bx9bgO42JCgOOSJeOoxTsJnu30lT6XCjUzYyP939pAA==
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

2026-09-17T10:29:45.101621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068578
observed 1d6cbd4cc6ae88f93225e538cd8e7846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.086296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068578/manifest.json
observed 850928a7bb133351b8e6809bfb419a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.070834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068578/publication.md
observed f1ce5281700f9ff975e34a68da80eed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.054355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068578/publication.txt
observed 83fc89c32f6f6062ff59107578147c6f...
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.