OpenTechnical

OT-2026-000003716

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, two stage ejector, contact triggered on the face

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-2026-000003716) never changes.

Identity and time

Publication numberOT-2026-000003716 · never reused
Internal UUID01a0a90a-d459-7a1d-91e4-10aa1309c488 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:34.363837Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003716
StatusPUBLIC

Content hashes

Canonical textb098b1feaea6edf2cfed7dd7cf0faf5f5b4b858cac58db4a87d31ab8e8d22f32
Markdown8fd7af9528162ebd1727aa751c567af5122c700aed4da4bee63c69c7881969e8
PDF
Publication pagedb4a1dbbd6303a361eb66a04bad7d1d45900ff18c61d058708c0876c1082dc3b
Manifestbe6f049f16f395c5e6a0c5f9a544b70f3455ca78c8422eedce80b85132ae8649

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
SignaturegVo4p8Da78IZW8VnH7XuCJwce4eVcSUjDrtSfXeXaxmM0M2cetSY7YTQweRepB4iFARIZqw/j8ip+lHvwPquDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:34.740705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003716
observed db4a1dbbd6303a361eb66a04bad7d1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.726502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003716/manifest.json
observed be6f049f16f395c5e6a0c5f9a544b70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.711048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003716/publication.md
observed 8fd7af9528162ebd1727aa751c567af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.696835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003716/publication.txt
observed b098b1feaea6edf2cfed7dd7cf0faf5f...
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.