OpenTechnical

OT-2026-000100657

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100657) never changes.

Identity and time

Publication numberOT-2026-000100657 · never reused
Internal UUID01a0aea3-66f3-7fcd-821a-5fcdabbf9337 · 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-2026-000100657
StatusPUBLIC

Content hashes

Canonical text729e2feafdf0add8816f0915cd844f946c613c0dffd18d3fa93683b20946e3f3
Markdownbd95394fa38010bf28678cfe60939f138e69bbf1ec98f34f4af730ae6cce8049
PDF
Publication pageaf668b6af56b931564cb3a525a4b1198aef5cca81ac77e31ff8f8491dd6800f4
Manifestfe98f639e5ff4331c33a7314eb3a5afb759293c8a3a9f874eeac6729375db230

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
Signature9JHYw56pbpiZIl13MnTyTgE9Ip0wC9elAniMazRaH8fgQx8DK2XHEGJyAUQpn1OCAf7DayIpwqt/d5GVb42rAg==
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

2026-09-17T09:27:27.897152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100657
observed af668b6af56b931564cb3a525a4b1198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.880037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100657/manifest.json
observed fe98f639e5ff4331c33a7314eb3a5afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.862135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100657/publication.md
observed bd95394fa38010bf28678cfe60939f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.844508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100657/publication.txt
observed 729e2feafdf0add8816f0915cd844f94...
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.