OpenTechnical

OT-2026-000049046

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000049046) never changes.

Identity and time

Publication numberOT-2026-000049046 · never reused
Internal UUID01a0ae81-134d-75f2-b010-b8a145373f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049046
StatusPUBLIC

Content hashes

Canonical texta442a0f385cfc61f408bd372b3fe1da72fa0d4193b5dde3fff20887630133521
Markdown1dd2ea7781e10ac1cdce689aa0376fbca2476f07e12ee7e6a019c1b1aa0c4491
PDF
Publication page01329925db68cbccf99fd968404b1de70ae2c5b051dca192c220571585a33d54
Manifest87060c4ec0f7dd57aa21b54bbf745b50b477f7f605a6ecda7346272061d5df67

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
SignaturezA7EGk6qmWCXEJy+hkkKRka0+jimLqmO/spSP4ZTeQtzX7OSPreJF4fgyU8EhuGG1Cjc8VffvUzK7NNWacOwBg==
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

2026-09-17T11:03:16.349010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049046
observed 01329925db68cbccf99fd968404b1de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.328757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049046/manifest.json
observed 87060c4ec0f7dd57aa21b54bbf745b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.311073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049046/publication.md
observed 1dd2ea7781e10ac1cdce689aa0376fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.291871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049046/publication.txt
observed a442a0f385cfc61f408bd372b3fe1da7...
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.