OpenTechnical

OT-2026-000019184

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000019184) never changes.

Identity and time

Publication numberOT-2026-000019184 · never reused
Internal UUID01a0ae6e-f391-799d-bdf2-3c03509a8636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019184
StatusPUBLIC

Content hashes

Canonical textae2215cafa7943e5f9c96abb7001446c314477c07c1f0eaffe2f23fb8674a98a
Markdown85be236ff0d437ba410e209bc1684bc469e15148794aab4d98c07b421df1edbb
PDF
Publication pagef7513ee69bc5c39210c2f010cd16730655f2094007ac6493f95bbe356adb058f
Manifest70a2059c3f3663b8f65ea057dc20823b3b34b5a4ffea1abd4269d4b1ddb7fee8

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
Signaturex8ePQmIgPY/lZI9kgcCRoB/cmdWBwqOD8nePmDcfauZ6j0q2VkPwbBMUG/5s7F4l+rL2lYVmn/z1yo5bbYIaCQ==
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

2026-09-17T11:58:30.094638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019184
observed f7513ee69bc5c39210c2f010cd167306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.078841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019184/manifest.json
observed 70a2059c3f3663b8f65ea057dc20823b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.061702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019184/publication.md
observed 85be236ff0d437ba410e209bc1684bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.044799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019184/publication.txt
observed ae2215cafa7943e5f9c96abb7001446c...
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.