OpenTechnical

OT-2026-000039984

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000039984) never changes.

Identity and time

Publication numberOT-2026-000039984 · never reused
Internal UUID01a0ae78-d8d7-7bfd-866c-c3d3a1ef67b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039984
StatusPUBLIC

Content hashes

Canonical textd15721d036c52fc39a999630f646121cd37d677f4aff9b6bf3229e55da7acdcd
Markdown03effaa2cacb065049426ba975d49569bf5e0dd4260205dfedbddbd114e8068b
PDF
Publication paged9c2aa40fccae6f592af0bc9d3d871dce7bb4d87aca329d70d76deb9d3ed4b66
Manifeste848481878925e657eea12aeeb42030c2eb6ffac901f20a10e58161366f02efd

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
Signaturexl4/1Z8S3Qkb3PPUqtIrPZUGyd5PjZUoeXwcsOhRuIk/lYRhwmGfx6mmT/pXViaio6xr/X4vyvZgD96de2iCAA==
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

2026-09-17T11:20:18.874508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039984
observed d9c2aa40fccae6f592af0bc9d3d871dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.853854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039984/manifest.json
observed e848481878925e657eea12aeeb42030c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.828686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039984/publication.md
observed 03effaa2cacb065049426ba975d49569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.805278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039984/publication.txt
observed d15721d036c52fc39a999630f646121c...
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.