OpenTechnical

OT-2026-000007584

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000007584) never changes.

Identity and time

Publication numberOT-2026-000007584 · never reused
Internal UUID01a0ae62-4df8-7e96-bede-c5d465fda4f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007584
StatusPUBLIC

Content hashes

Canonical text1f5f106fed5c97fa1459bda5d96773eb5f3af05c1a33dc1ac0ad01dc31791aee
Markdownff19424e836448e62fcd8da085bd6a510bb7b9f97e2ab6ff7104bd635bdcaf27
PDF
Publication page3a0bc5195dd60f5f8dd163f902ced66df03eaf89526786f6ace6b877fecbfea4
Manifest5430752f249b7b02c3f1b9da9a6ae82d313ee349b5da4bff124db2c865e35ac9

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
Signaturem9MJNCJvRRPLPIGp6BbSNbOJOuYoT+x3Qu1BMcP7BJjZLFFKHtjFYzCAOrluNkdqsSPOylS+DJArhCdyPyljBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:53.364193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007584
observed 3a0bc5195dd60f5f8dd163f902ced66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.347229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007584/manifest.json
observed 5430752f249b7b02c3f1b9da9a6ae82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.327200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007584/publication.md
observed ff19424e836448e62fcd8da085bd6a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.306879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007584/publication.txt
observed 1f5f106fed5c97fa1459bda5d96773eb...
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.