OpenTechnical

OT-2026-000013076

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000013076) never changes.

Identity and time

Publication numberOT-2026-000013076 · never reused
Internal UUID01a0ae6d-5565-7868-a974-5e362baec80a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013076
StatusPUBLIC

Content hashes

Canonical texta6b8743cccce50a4f093c891c36b9a11af2b02be4be4068a521fa81044f16565
Markdown9b32e4d112366ce31692657063e60640ec9d03d8f3db007fe6872f5fdac72281
PDF
Publication page30c7aac02a1281bf0e7d6a75e9fd38dcddc0d3eaedef31d5c21aa0cd3dad4321
Manifest5e0d786fd473cf90d975cb84799eb1186423559e57da9a467cbea6ec86d47cdd

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
SignatureA/OP11QaFP2RL1n6dlIQG5K3k935uTODuStOpd3ChCzU1wVJ+/2Hv4MPmlvLM+wN8GlMqvXRAdbhOYPV0/2hCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:55.156119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013076
observed 30c7aac02a1281bf0e7d6a75e9fd38dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.138543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013076/manifest.json
observed 5e0d786fd473cf90d975cb84799eb118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.118927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013076/publication.md
observed 9b32e4d112366ce31692657063e60640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.099782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013076/publication.txt
observed a6b8743cccce50a4f093c891c36b9a11...
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.