OpenTechnical

OT-2026-000100555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100555) never changes.

Identity and time

Publication numberOT-2026-000100555 · never reused
Internal UUID01a0aea3-66f1-702d-a58e-d4d8189f5493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100555
StatusPUBLIC

Content hashes

Canonical text8f9e11e6e7fd1ec139f2015abec36ac7c7904ca4f908ace1a80b89d53ed25f8f
Markdown1b80a4e2bbcec746eec8425fd9df5a4330cda7508d13a29fb367463e319b07a8
PDF
Publication page9469f8a39aabf327b40602f66b90f9d1193707608e15d10b3525c1701d3309e1
Manifest6f3196d0996250505160e10f608ceef7f054ed10fd276306e65e916a2ebf0692

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
SignatureX6U9z13vz+0mG9sPkEoZaNT193bkc0aTOMKNhChtReVr+KBl5YABy+PNqgL4e9sbJxMVDix+1unMa3GGsZZfCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:19.764507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100555
observed 9469f8a39aabf327b40602f66b90f9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.746670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100555/manifest.json
observed 6f3196d0996250505160e10f608ceef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.727967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100555/publication.md
observed 1b80a4e2bbcec746eec8425fd9df5a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.709264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100555/publication.txt
observed 8f9e11e6e7fd1ec139f2015abec36ac7...
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.