OpenTechnical

OT-2026-000039022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000039022) never changes.

Identity and time

Publication numberOT-2026-000039022 · never reused
Internal UUID01a0ae78-9672-7186-bc02-6fe82c7e2de4 · 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-2026-000039022
StatusPUBLIC

Content hashes

Canonical texta1b8289936e5d3644a97c4c9297040c1611a17e68dd2f7da4bd0c3852f690d3f
Markdown967c16250a7da37ff6e73752f0c9260c6e57b8e04eedf54738d3ceb01da4fe63
PDF
Publication page4886adb8694b86a66b1916a67a3ae635a3b6cd51157600b3eab3d4f78a6de119
Manifestcac3ac48298623716706fb5632f5720ac72d5df9d509ae7347ff97c99a58f649

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
Signaturevs9zUjK4l31gVK5hYDT1MukkXTJe1A0qvYmADRILMp/6c7ImplKYnSksTQFHlRYye/OQmXcGFizZx0IaGM4YAg==
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

2026-09-17T11:20:22.067993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039022
observed 4886adb8694b86a66b1916a67a3ae635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.048424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039022/manifest.json
observed cac3ac48298623716706fb5632f5720a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.030864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039022/publication.md
observed 967c16250a7da37ff6e73752f0c9260c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.014155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039022/publication.txt
observed a1b8289936e5d3644a97c4c9297040c1...
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.