OpenTechnical

OT-2026-000027349

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027349) never changes.

Identity and time

Publication numberOT-2026-000027349 · never reused
Internal UUID01a0ae72-6997-7dd1-86fd-06fbb228b45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027349
StatusPUBLIC

Content hashes

Canonical text6b1df506ba6a055ba0068fce55203689a8da6b8d284729d7cfbc40c890e3768d
Markdownc6844d90a45f0172fcb25e1ac02ea605d03f0872bfbe9fbd148c1c62e9b530ec
PDF
Publication page17cfc34a280a5ee82187c9b5dea61059a7fb7bfca3bf684a3facf747acd8d740
Manifest3028531b20dccb862cf3880e99b16c69a730252abe6f10d123fc0f676f18382a

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
SignaturemZeftQt6t83Ly1y9gSSa3ck2jBN9SIku3o7u2TJUo2amDgwWJDstkWy+pTxc4Hc0nq9Md186IqfDE/oYZ+d+Dw==
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

2026-09-17T11:42:45.465309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027349
observed 17cfc34a280a5ee82187c9b5dea61059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.447027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027349/manifest.json
observed 3028531b20dccb862cf3880e99b16c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.427620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027349/publication.md
observed c6844d90a45f0172fcb25e1ac02ea605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.409366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027349/publication.txt
observed 6b1df506ba6a055ba0068fce55203689...
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.