OpenTechnical

OT-2026-000050669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000050669) never changes.

Identity and time

Publication numberOT-2026-000050669 · never reused
Internal UUID01a0ae82-c7b0-748b-b084-4f5d888e6668 · 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-2026-000050669
StatusPUBLIC

Content hashes

Canonical textc811c7b15caf6d902d9db33636ea2b5afd759a9ff6657a15c7453f273cdbfc28
Markdowna0f783bb64f085ed0f0d1097f2186e81e063a29483c719d251378d4f1107ec73
PDF
Publication page2e0a54ab305c918990f52e62077ce9abe1a3c76f0c36c6271b220825ae33289e
Manifest1911a38634827b694512cba708a366959220bacff9eafd715c42a4c8028673b8

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
SignaturemwjY59XSmCJZ0OfanyHABuUm2FUtzVKMDf0DU8rAEiJWR01brWO81AK85K3XP/KB8xRVvlMVL4c8nw3LJweoCQ==
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

2026-09-17T10:59:22.478162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050669
observed 2e0a54ab305c918990f52e62077ce9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.459930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050669/manifest.json
observed 1911a38634827b694512cba708a36695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.442597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050669/publication.md
observed a0f783bb64f085ed0f0d1097f2186e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.422807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050669/publication.txt
observed c811c7b15caf6d902d9db33636ea2b5a...
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.