OpenTechnical

OT-2026-000044757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044757) never changes.

Identity and time

Publication numberOT-2026-000044757 · never reused
Internal UUID01a0ae7c-911a-7d45-b0ee-cd4caddd9e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044757
StatusPUBLIC

Content hashes

Canonical textb99dee93d8d8788af7c9d035bfa0fcaf54b33ebd729c57c8ef6803ba66f06855
Markdown047e4b0957dd218d781b143b1dc674baa27f7f42f105980029edf06d87f0df84
PDF
Publication page12d4a1c6e339c6f861bba7c3287de93dba74ddbd14f9ba7bd8f1de421aaabc10
Manifest94b611cf6077232980c5171aa7f7394bc846751840e9ff6dfafa40743089c5f7

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
SignatureyJhbylBISBAIKV5E5+anrwTroNNRj2BKBJSuGKfoEdlopOZriKI93xbgq9ieX9SXGieWfacZ3YEB1C5g4rbGBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:22.514300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044757
observed 12d4a1c6e339c6f861bba7c3287de93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.496860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044757/manifest.json
observed 94b611cf6077232980c5171aa7f7394b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.478734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044757/publication.md
observed 047e4b0957dd218d781b143b1dc674ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.461514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044757/publication.txt
observed b99dee93d8d8788af7c9d035bfa0fcaf...
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.