OpenTechnical

OT-2026-000030608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000030608) never changes.

Identity and time

Publication numberOT-2026-000030608 · never reused
Internal UUID01a0ae74-3fb2-757e-be83-d3fbb040cb4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030608
StatusPUBLIC

Content hashes

Canonical text52b9806047079c8fc8a8b0b5e16bac4bc981269ca2d0f2f4d282df02d9879a16
Markdown86c5449dd62968dbbf35da927514f95e5e78b4d85649ba262d480c0111175393
PDF
Publication page4e80e17fa724f761770acb11115cd080bf9ab98da98e535741e689c5cac7d42d
Manifest7a914a61c9611124719fbcb2c2a1f89eba6661f9932bd4fa7eab6e62e0d2d89c

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
SignatureQaxyqReIa5gPQUjSbp7hze46KGwcpUMivqjEpgdGqjRlq0UIgLJVi3IAO1pzaHUAftW6JD/8tqdYB72zNWj0CA==
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

2026-09-17T11:36:27.726676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030608
observed 4e80e17fa724f761770acb11115cd080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.674485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030608/manifest.json
observed 7a914a61c9611124719fbcb2c2a1f89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.657449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030608/publication.md
observed 86c5449dd62968dbbf35da927514f95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.577554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030608/publication.txt
observed 52b9806047079c8fc8a8b0b5e16bac4b...
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.