OpenTechnical

OT-2026-000097022

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097022) never changes.

Identity and time

Publication numberOT-2026-000097022 · never reused
Internal UUID01a0aea1-01c9-7a8d-946a-125a0757bfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097022
StatusPUBLIC

Content hashes

Canonical text21dbc9cb8ef680777f3727ac4feb4fd9fe1459abe7b3d5314036b950d00c875c
Markdown5e5e906521b817f3309811a370d2642cda2dd9c50d9a5f4e3891433aff34a11a
PDF
Publication page644e7939311aa6b7ab5bd71c2e28b6e812bfe40125abd37355623af0d1324156
Manifestaa111a9e3f0bdd853f7011fe87843fcfe0d6636bb91a11333a4e52dff0ae69f7

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
SignaturekIe8iz8rdcoTFjsYbUM9qsued+oxh7clrH17dT1EmfrX9jggBYs4m/aydljafG1xtXroXeAAvzwu6f0uWmKwBw==
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

2026-09-17T09:10:30.944641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097022
observed 644e7939311aa6b7ab5bd71c2e28b6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.926974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097022/manifest.json
observed aa111a9e3f0bdd853f7011fe87843fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.910349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097022/publication.md
observed 5e5e906521b817f3309811a370d2642c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.889676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097022/publication.txt
observed 21dbc9cb8ef680777f3727ac4feb4fd9...
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.