OpenTechnical

OT-2026-000007453

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, ejector fed, pressure verified, polyurethane cups

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-2026-000007453) never changes.

Identity and time

Publication numberOT-2026-000007453 · never reused
Internal UUID01a0a97f-5900-7635-8c81-1a7aa8a9a259 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:50.499627Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007453
StatusPUBLIC

Content hashes

Canonical text9716725bc2aba79c7d4e1b7974beebd0c3e445e29c8cae40b7556d403f6b3b46
Markdown72c9a6a3fc7c6b1cfcf5877bc1187c57af572392328ffa3525a8d1cf069303cf
PDF
Publication page99e7ee524b1df06da39955fdff9bc8eadc0729d51c20758cfc7833b52d161341
Manifest510dbdc9e26b1095f4c64f0173be2107a80389b7133cb5e05961288f9656eff7

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
SignaturexMx+WERXrDVbb7Lc7OQyawvva6/hgXwhz2c5eKeS8a7l655OlkAhLAKZ7CXlLF6/hJLVXa+oIIaLd785uVlfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.554080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007453
observed 99e7ee524b1df06da39955fdff9bc8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.541720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007453/manifest.json
observed 510dbdc9e26b1095f4c64f0173be2107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.528419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007453/publication.md
observed 72c9a6a3fc7c6b1cfcf5877bc1187c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.514845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007453/publication.txt
observed 9716725bc2aba79c7d4e1b7974beebd0...
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.