OpenTechnical

OT-2026-000078659

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000078659) never changes.

Identity and time

Publication numberOT-2026-000078659 · never reused
Internal UUID01a0ae95-7c2a-7c7a-801c-6527a7c2d5c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078659
StatusPUBLIC

Content hashes

Canonical textcc69cdbb30d92aacab0ca7be7b89aa1f7380e56c4c7f1a925070b461ce42f672
Markdownbf7c120b3b19b2b06f07c580655c538342edadba5d9d141b532932c855f3cba6
PDF
Publication pagee213cdc82369ae4d0246d917396e197e3baeac96d1abfab67b7d0cfc9cdda112
Manifestd3397d7e4a5a353cf0fb506ca9f00d2e0dbf8cda9ec771885e5ca3d606d9da19

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
SignatureIYWs8gPxWvsuVTcIrRCJKidD/Pv6Xl1uQy3Mh8YD20yE31vHAdxUm99jyysGH2W817XrLWvnHU0X6d6LDLprBA==
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

2026-09-17T10:06:42.400262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078659
observed e213cdc82369ae4d0246d917396e197e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.381536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078659/manifest.json
observed d3397d7e4a5a353cf0fb506ca9f00d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.363661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078659/publication.md
observed bf7c120b3b19b2b06f07c580655c5383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.347519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078659/publication.txt
observed cc69cdbb30d92aacab0ca7be7b89aa1f...
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.