OpenTechnical

OT-2026-000077379

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000077379) never changes.

Identity and time

Publication numberOT-2026-000077379 · never reused
Internal UUID01a0ae94-f509-7bf3-8c3e-25b0d5ebefc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077379
StatusPUBLIC

Content hashes

Canonical text15b30bcb931367658b71432016173895cf3c97fbcc25ced5271b07345e0277af
Markdownfe2527b73d5f0ba58848e684bebaecc9f511670398480f06160644d86edceedd
PDF
Publication page7f55c2c5093beb70085b48da0c5cb5412abb6c96dce517355131cb840e56a800
Manifest0560996b95a1caa2522803882b3da4c5a707f906f00cd3cb101ed6be1dd8821b

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
SignatureE5+tuHqGVcr7PdMpvGPknD1X0CmG0G5V7LuvvjPxbrDErre62oPUokXSGVFtIH2aliBxl4vQh2FNgeRjZS3zDQ==
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

2026-09-17T10:09:01.491945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077379
observed 7f55c2c5093beb70085b48da0c5cb541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.471222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077379/manifest.json
observed 0560996b95a1caa2522803882b3da4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.451206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077379/publication.md
observed fe2527b73d5f0ba58848e684bebaecc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.430163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077379/publication.txt
observed 15b30bcb931367658b71432016173895...
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.