OpenTechnical

OT-2026-000075697

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075697) never changes.

Identity and time

Publication numberOT-2026-000075697 · never reused
Internal UUID01a0ae94-29fd-7ef9-bd72-0fc65f3cb46e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075697
StatusPUBLIC

Content hashes

Canonical texte95dcae94b944f9eb043640f08afd90f3942368176e9630ee6c1efdb75f0c032
Markdown06d2f11bac81b5e528f1d47cdcbfe5da9f985ac74273e4492f02f4b769b8254e
PDF
Publication pagebaa71e6ed3e48bae3a4deaca4cbd55e02973c774804f0366fa2e3f8deebc2f76
Manifestd2030a252c59db55d874587880b781463fc3e0133fb45cfba5ddfd78fa5aa56d

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
Signaturep6p0XkCy+xqcqs3wpWnjcAx64Pkk0T3tG/cI1GA8EfVxvojcbSnoSekCL0zFCMzbqNbWDAa2a6lqG51xGF8aBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:54.529303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075697
observed baa71e6ed3e48bae3a4deaca4cbd55e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.511922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075697/manifest.json
observed d2030a252c59db55d874587880b78146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.493846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075697/publication.md
observed 06d2f11bac81b5e528f1d47cdcbfe5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.473336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075697/publication.txt
observed e95dcae94b944f9eb043640f08afd90f...
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.