OpenTechnical

OT-2026-000018525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000018525) never changes.

Identity and time

Publication numberOT-2026-000018525 · never reused
Internal UUID01a0ae6e-b48a-791d-9831-1eb040e3d07c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018525
StatusPUBLIC

Content hashes

Canonical text194ab140ef66ce77a1573fd2324d8e78fe755cd16f1bb27eda1ab4698e34938c
Markdown0170d67f7152e91df8127758c3df13b7c4d874850ef49607ab791d1dc4720e81
PDF
Publication page69e0f64ffc1c8e7bbbdb0dcf8ee9ca80f7d40b4e45dac0cfb3afd300586f5a31
Manifeste2fc5568cd54e7b0ab2088565ef44b9ff5eab3cc43807f5c6139c37d29ab4134

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
Signature+xxnTgvtHJ3NKwxaF6ZFIpeSPAvlJDwqry8lFiYSeTo+3GsDl/L44zAhunJ+Tn5v/vE+hTzVIqz/sdnjcS7fBQ==
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

2026-09-17T12:01:17.952521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018525
observed 69e0f64ffc1c8e7bbbdb0dcf8ee9ca80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.934863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018525/manifest.json
observed e2fc5568cd54e7b0ab2088565ef44b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.917303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018525/publication.md
observed 0170d67f7152e91df8127758c3df13b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.899858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018525/publication.txt
observed 194ab140ef66ce77a1573fd2324d8e78...
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.