OpenTechnical

OT-2026-000047410

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000047410) never changes.

Identity and time

Publication numberOT-2026-000047410 · never reused
Internal UUID01a0ae7f-3e57-7494-8ef6-f91aa88f45cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047410
StatusPUBLIC

Content hashes

Canonical text77f44cfa460c5d1097ff7a73f2c133126261ce1226e442dabc6b0160d44ad5ed
Markdown761328241572e6332255eb3b48e15f1eebd68fa02ee1816e3baa0a175698c544
PDF
Publication pagea3942efd4dd74931644ccfc0beb87f08d561108fed4d12e7a7aabf02be1bda6b
Manifest1e497b0d5fa333e59444d6f09deeef9179638bc4b6d364eb05f1eda8cb9cede0

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
SignaturehyP+qA5Ync1AiA4Hm5aADB4uonOy7N6OM1t7M1lBGSqC3QZi30TcNKbNZeW3DxmVqr/rhyd5JS1Grm1EhXjEBw==
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

2026-09-17T11:06:25.514930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047410
observed a3942efd4dd74931644ccfc0beb87f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.496734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047410/manifest.json
observed 1e497b0d5fa333e59444d6f09deeef91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.478655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047410/publication.md
observed 761328241572e6332255eb3b48e15f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.458453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047410/publication.txt
observed 77f44cfa460c5d1097ff7a73f2c13312...
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.