OpenTechnical

OT-2026-000018429

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000018429) never changes.

Identity and time

Publication numberOT-2026-000018429 · never reused
Internal UUID01a0ae6e-b489-746f-a62f-4413de01cb08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018429
StatusPUBLIC

Content hashes

Canonical text31c24df61cf5a57f94588a078ac80c6614fcfe96f9511b735cd5f6042a19c792
Markdown9e7922c326520afdd7858d00bd1a3b52d56cb6502089a90f472bf6b855c49cd9
PDF
Publication page185a7ff4b7a42d5f64596e73a1ec8cb6628dc50d399c72620ae95a62fbf760c1
Manifest1bfbac93526b5b851f5a672afa3ce0e9c88aec2f29e256b22f0fc4ffdfeb3838

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
SignatureoHKHqmniuPKzDGwpNfdxWYbST5E8LFRjbj2/tgVP9zsCyWYX6h39YThxBodjHyxzWWAisVIQ4WQKSMV0TuBvCA==
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

2026-09-17T12:01:10.787975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018429
observed 185a7ff4b7a42d5f64596e73a1ec8cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.768067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018429/manifest.json
observed 1bfbac93526b5b851f5a672afa3ce0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.747565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018429/publication.md
observed 9e7922c326520afdd7858d00bd1a3b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.730272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018429/publication.txt
observed 31c24df61cf5a57f94588a078ac80c66...
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.