OpenTechnical

OT-2026-000041325

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041325) never changes.

Identity and time

Publication numberOT-2026-000041325 · never reused
Internal UUID01a0ae79-b144-75e4-8f02-b9de1fe68053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041325
StatusPUBLIC

Content hashes

Canonical text151e66793f05981ffc2fe2f98a2c303e1e566c177803337e9e43f4b114378d1e
Markdownd342e74fbef9b678911d45d280aeae73624ad82f3058a191f30fbcfb31136070
PDF
Publication page67c60a1fa3e80b730af4283d3a2ad3e4c0e052c17308903560b742efdf1c569e
Manifest7c5b29d777837359948605b00bde061e66805a46a0341bb50f60c21d1a157523

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
SignatureY+12Hb8adZzJbuajUsKZQxAVFLzYgr/lwOzStMNtx5bXpe4VkVpQy+gMsm3+RgPPtC7x1bDR10y7v2FhTOxqBg==
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

2026-09-17T11:17:19.008424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041325
observed 67c60a1fa3e80b730af4283d3a2ad3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.990155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041325/manifest.json
observed 7c5b29d777837359948605b00bde061e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.970559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041325/publication.md
observed d342e74fbef9b678911d45d280aeae73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.949029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041325/publication.txt
observed 151e66793f05981ffc2fe2f98a2c303e...
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.