OpenTechnical

OT-2026-000043010

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000043010) never changes.

Identity and time

Publication numberOT-2026-000043010 · never reused
Internal UUID01a0ae7b-3278-7eca-be8f-368ca3191eef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043010
StatusPUBLIC

Content hashes

Canonical texta934fe8b0da5e4c08b8d0d3813cf66a5bd5edc0009a9803cd2bd5a52aafdacf9
Markdowna74f02432ff81fe2582413a2783aad89dce26022ec8356f6761bf66d85fdfbe9
PDF
Publication page52e8900586fab1d48a26e15c685c74dda30345cc858ba325d96c1cafec1ac93d
Manifest25b5eaf819bbee15100d21f748dbef8b779489766736ceb95d44a21522d0f301

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
SignatureoVzL/ww4pQ7z6ou45Yms1Ka/gK1mIBskg5MrJNCxznUXQ8Z2k/mXBbY6PaYHMh9YnQpyEheq57RV04OUQpg+Ag==
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

2026-09-17T11:13:19.308310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043010
observed 52e8900586fab1d48a26e15c685c74dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.288683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043010/manifest.json
observed 25b5eaf819bbee15100d21f748dbef8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.266503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043010/publication.md
observed a74f02432ff81fe2582413a2783aad89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.217040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043010/publication.txt
observed a934fe8b0da5e4c08b8d0d3813cf66a5...
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.