OpenTechnical

OT-2026-000044974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000044974) never changes.

Identity and time

Publication numberOT-2026-000044974 · never reused
Internal UUID01a0ae7c-911d-79e5-b927-db6e12f52061 · 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-2026-000044974
StatusPUBLIC

Content hashes

Canonical textc51bab92aa47c5a3ecf5aec43096fa84cb19ebb081ec701ca9a92fe415a12d00
Markdown580fb102735aa0c320906d959f0ae4ef74a6f9e50d18d2b68d2ec26664455d1f
PDF
Publication page651faff95c071d179cfb6a55c01b807c159aca47f524b22d652ac38c0adb80ce
Manifest56a33469d36716b1cd0fd64fa615dd2eb574f5a516a158611dfc41eebad66674

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
Signaturet8UZf42wUFKtnFfiLJFytX2YXvqTRN62ECTYzfAdosks+NNh8afY1D/HSqrCPGu+qex6xJCdTysIZ8lrWHDAAw==
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

2026-09-17T11:11:39.778667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044974
observed 651faff95c071d179cfb6a55c01b807c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.762279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044974/manifest.json
observed 56a33469d36716b1cd0fd64fa615dd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.745811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044974/publication.md
observed 580fb102735aa0c320906d959f0ae4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.727712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044974/publication.txt
observed c51bab92aa47c5a3ecf5aec43096fa84...
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.