OpenTechnical

OT-2026-000100803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100803) never changes.

Identity and time

Publication numberOT-2026-000100803 · never reused
Internal UUID01a0aea3-66f5-758f-907e-2695cb9df1fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100803
StatusPUBLIC

Content hashes

Canonical text40e39bc5e04191052915dd9139cd14bc58e188881144474808a3cbe9a7b7386d
Markdown16db13a13cac344a4941fecdb3bb0bf1eb46d197e3cbce47d211b02bc67b962b
PDF
Publication page71612780171b2f46bca5cbd21706bda17e9989858733422190c5c7242ee96b08
Manifestade0801ca49dcdc954497c5d146e4ca49999cd3e0920117c74d5684288eae252

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
SignaturevXlu47C49IwSZ/ow83Za74rYedaCmocjPELabWC8kP16DqIl9+tzP9eYb8FuocYM1FwXuqiDbV9HkEr/kpBEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.076187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100803
observed 71612780171b2f46bca5cbd21706bda1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.056539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100803/manifest.json
observed ade0801ca49dcdc954497c5d146e4ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.036386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100803/publication.md
observed 16db13a13cac344a4941fecdb3bb0bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.017853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100803/publication.txt
observed 40e39bc5e04191052915dd9139cd14bc...
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.