OpenTechnical

OT-2026-000061652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061652) never changes.

Identity and time

Publication numberOT-2026-000061652 · never reused
Internal UUID01a0ae8b-a836-7712-8b4a-2eaaa6778457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:23.304249Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061652
StatusPUBLIC

Content hashes

Canonical text6e76f267dc5b8d013249e296f3a52e1f1fb485a42f7751ce897093e3fb843a1a
Markdown717deb41362e57810987ae0385d6bab24d283d883b35f5d88dcfe0f5033d692f
PDF
Publication page7cac71d292a68b08d897652ad071cc3e868d209cdabc5aed5a4bc230e2c6d07b
Manifest7c24b4893dc721a77846b67269cbc47d2b15a288963a781e17bc7f6c5346931f

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
SignatureDwqbUyrjWaHV4s4TRshvSmbh2EEs3yaiHILIjAoxDX0fs4zRkLLg09rneJ8OInD6W0jxxFxDzPhFeCzPwAnmDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:13.506112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061652
observed 7cac71d292a68b08d897652ad071cc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.489189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061652/manifest.json
observed 7c24b4893dc721a77846b67269cbc47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.470991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061652/publication.md
observed 717deb41362e57810987ae0385d6bab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.410047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061652/publication.txt
observed 6e76f267dc5b8d013249e296f3a52e1f...
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.