OpenTechnical

OT-2026-000067649

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000067649) never changes.

Identity and time

Publication numberOT-2026-000067649 · never reused
Internal UUID01a0ae8f-6bdb-7f50-a7bb-0fc89d301036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067649
StatusPUBLIC

Content hashes

Canonical textba838053088d9871a1bdb5e443ee20a574c41caac43460061ccd010b14ca31fb
Markdownbb4d0930af617f864c24b2c7d06106a95290cf8e065cb39a6a92d094026ff2fb
PDF
Publication pagee29bb20ee6813daf15c2631b117d1d11f003e3253f1b5c1db53bc03820aa2187
Manifest88a18edb0bccf9bac733fb5a673b936f2aa2f731afa69e22f308d487a0e1606d

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
SignaturelcrXTaTGa5HPxUzp79iXOEoEqor3DmwOIrfiNbDjXaheI2UAAJvJCqZvXtSF5mAZZAsXfwdSqWgeLcp8GcAjAg==
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

2026-09-17T10:31:58.640704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067649
observed e29bb20ee6813daf15c2631b117d1d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.624130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067649/manifest.json
observed 88a18edb0bccf9bac733fb5a673b936f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.607219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067649/publication.md
observed bb4d0930af617f864c24b2c7d06106a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.589247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067649/publication.txt
observed ba838053088d9871a1bdb5e443ee20a5...
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.