OpenTechnical

OT-2026-000045721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000045721) never changes.

Identity and time

Publication numberOT-2026-000045721 · never reused
Internal UUID01a0ae7d-8f04-7c02-a546-f3b3ed8b52ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045721
StatusPUBLIC

Content hashes

Canonical text6397213284256ebe399d6df598c22c5fb42fd313cf0648ffd82cf2f8d2d2e495
Markdownc359d8d1796472b1855bc9a61724a804f918bd3b3bd32e73fe6174d44f7c28b7
PDF
Publication pagefb84812a3f1a1ab5a16ca78d2c1ce8f0c39bd58b3c1eda3ea18223d0bf87bf2d
Manifest1f3f54dfae45f83f7c47dd4081fe5e92e9b34e52072067dfa5477586dd63f05d

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
SignatureE9zKP8X0YjfQRZJs/xVT+LUFqf+CgVb3gCd1fLMfp+bJ9EpWED8LkbhQ1WFm0DlfDGHrYlz34lyRX8jrGW4ACw==
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

2026-09-17T11:09:32.075231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045721
observed fb84812a3f1a1ab5a16ca78d2c1ce8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.057391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045721/manifest.json
observed 1f3f54dfae45f83f7c47dd4081fe5e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.037899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045721/publication.md
observed c359d8d1796472b1855bc9a61724a804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.019224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045721/publication.txt
observed 6397213284256ebe399d6df598c22c5f...
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.