OpenTechnical

OT-2026-000079775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000079775) never changes.

Identity and time

Publication numberOT-2026-000079775 · never reused
Internal UUID01a0ae96-4375-792c-a56a-472d9959d602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079775
StatusPUBLIC

Content hashes

Canonical text454820d25124be71ef72500916def27743a115721dc7cc419f0fa6b60a03fc67
Markdown7162dde417cb7f7f92620af124cbb898b0f5efb5ffeea1abfa3d6762554a4765
PDF
Publication page444f69cd9ac7b76c573c22224f3d047396e399303ae79d7b89e2bd6afcc8316f
Manifest3852d8c546b32747fcfe6a17fde1fbc07fca948c6cec46f58691b0eb44d43918

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
SignatureTmWopQw0vR/JdVStMup+wFH95Zbq/HYrjtxsGH5XxHleAJxpXSb5ptSg8gQAKFzhOuz4E7NxCqiUxlhgjbR9DQ==
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

2026-09-17T10:03:38.945552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079775
observed 444f69cd9ac7b76c573c22224f3d0473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.928688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079775/manifest.json
observed 3852d8c546b32747fcfe6a17fde1fbc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.909795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079775/publication.md
observed 7162dde417cb7f7f92620af124cbb898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.889662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079775/publication.txt
observed 454820d25124be71ef72500916def277...
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.