OpenTechnical

OT-2026-000039425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039425) never changes.

Identity and time

Publication numberOT-2026-000039425 · never reused
Internal UUID01a0ae78-9675-71e0-b274-42d3a8ddac10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039425
StatusPUBLIC

Content hashes

Canonical text08c25bad06828c6778f3f424e13ceacdbc0fd9e95b03e404cd16d431566aa4d1
Markdownb8ae7c66faed88d9a9df16ce117b948d1edabdd0f2749a7b3101b5302023e9c6
PDF
Publication page1274504b576ac5d36d0603d8bf7f5a6a1756de88c9b4867383a82d14299ab902
Manifest2e658d21a7895b556f9565918ba3cc7e0b1b4377e8da69a1878a7b38e720262a

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
SignaturelSgLI71btQHUR1iiiqhJZsX8obvGHMIhOxtJkgXgrlyLF/QuElouuMCzL/ML2CyuTS4tgbyOOxA0rbZF1xRQDw==
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

2026-09-17T11:21:02.332604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039425
observed 1274504b576ac5d36d0603d8bf7f5a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.314972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039425/manifest.json
observed 2e658d21a7895b556f9565918ba3cc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.298543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039425/publication.md
observed b8ae7c66faed88d9a9df16ce117b948d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.279214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039425/publication.txt
observed 08c25bad06828c6778f3f424e13ceacd...
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.