OpenTechnical

OT-2026-000066227

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000066227) never changes.

Identity and time

Publication numberOT-2026-000066227 · never reused
Internal UUID01a0ae8e-8dc3-7068-8aaa-daf881646b3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066227
StatusPUBLIC

Content hashes

Canonical textedfcc82d01e80701253d2ee8eafe823de39a603e99da209842e67d784c1acd62
Markdown1262b4c384b2c213e87585f2b9fbe28c952bbcd14573886f8c89f4f521360227
PDF
Publication page252f9096190f5375c93deaaecf571446fe92e52d150c3e7b561065190ff37227
Manifestc85ec06f8bc325fc9485665e937702770fbe0c19f63807088cceed5a8fa7a5d0

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
SignaturelHQxrzyu3EX7CgTERruGhchgnUIExQVXxPR6x3twXiWtHFQgtHfadPjfgUKqpnAslYXrBI44A4cMHvBoIsLNAA==
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

2026-09-17T10:33:23.480081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066227
observed 252f9096190f5375c93deaaecf571446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.461486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066227/manifest.json
observed c85ec06f8bc325fc9485665e93770277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.441200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066227/publication.md
observed 1262b4c384b2c213e87585f2b9fbe28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:23.423538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066227/publication.txt
observed edfcc82d01e80701253d2ee8eafe823d...
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.