OpenTechnical

OT-2026-000051009

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000051009) never changes.

Identity and time

Publication numberOT-2026-000051009 · never reused
Internal UUID01a0ae82-c7b4-7d7c-a38b-28fd0db267d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051009
StatusPUBLIC

Content hashes

Canonical text28c79ecd91627e6bafda6738dcb2507d14a0d6b35a0414ad3e8627bab7991de5
Markdown6f0822f4c7ad5015390ea10ed337df31d8b2e64029b3c981102447db37a992c7
PDF
Publication pagec382c4c0a459e35f37a4b62945ab00e81b734ac798228174976d21405ed27f48
Manifesta1959a0f19aa575eab65a2f5c666dbc36e7cb8fbf2165ede9385fb6ad286540a

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
SignatureSPQBxum50BwPyHZcc5DmGSnRLDQQtcDXwNZYvjrnC/xgEaGtBbIxDritTsbgZdA/r02haRQu6vF4f/uFG4nTBA==
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

2026-09-17T11:00:54.626279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051009
observed c382c4c0a459e35f37a4b62945ab00e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.609159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051009/manifest.json
observed a1959a0f19aa575eab65a2f5c666dbc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.590271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051009/publication.md
observed 6f0822f4c7ad5015390ea10ed337df31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:54.568155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051009/publication.txt
observed 28c79ecd91627e6bafda6738dcb2507d...
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.