OpenTechnical

OT-2026-000100238

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100238) never changes.

Identity and time

Publication numberOT-2026-000100238 · never reused
Internal UUID01a0aea3-3053-7ce1-aa58-977c78f22838 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100238
StatusPUBLIC

Content hashes

Canonical textcbc97a10db3adcda21cbf89cb5bb9e76f327322ca41962abbc440f49cb33e4db
Markdown8f69e3bfa7bb36132532fdfa942450a3994d462f147400ee0f5977ca3faf9a17
PDF
Publication pageec3a056996dda50963ea8d13014154a0697179e37dd65a9bdd42793ea1d845d6
Manifest98bf8cfe3945c273892fe1c00092f50662a8a989680941c213aaba1964383771

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
SignatureacO/2dVYtmOCyjvBUts4LuMaoCjKuMOz7f9B1GHfFngK9/P6MZWRkSlanceubokpKXPAynZ1O2hJONuvThFwDw==
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

2026-09-17T09:28:02.207602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100238
observed ec3a056996dda50963ea8d13014154a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.190470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100238/manifest.json
observed 98bf8cfe3945c273892fe1c00092f506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.173274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100238/publication.md
observed 8f69e3bfa7bb36132532fdfa942450a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.156109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100238/publication.txt
observed cbc97a10db3adcda21cbf89cb5bb9e76...
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.