OpenTechnical

OT-2026-000016378

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000016378) never changes.

Identity and time

Publication numberOT-2026-000016378 · never reused
Internal UUID01a0ae6e-2d12-73c2-8a80-0dd54aca89c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016378
StatusPUBLIC

Content hashes

Canonical text2c52f1d28492c3679ca6e424eaf6ab0396ba2e4f46281b8f05e67d5b31c4fd4c
Markdownff07c4033b4aaf7cd013c851d047093b1ba35abe5712d1bb97b23465dc8cde13
PDF
Publication pagebb391bbfd9a6ad9f2598e6a304481a39c833b803d9bacd2e3d71f0d18a40c702
Manifesteef0b87393136c08ea8f7c98ca7e9663214f92f750793bfd32899cd8cd625445

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
Signatureu2h4rXMt5EeXwRzR91H0J1n3JvSVtUNkqslb6IfXkJt7EYFGLYeV4e4clFr+dQpl1Nzqb/00IASOdyy/k7YMAg==
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

2026-09-17T12:04:27.349457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016378
observed bb391bbfd9a6ad9f2598e6a304481a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.329351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016378/manifest.json
observed eef0b87393136c08ea8f7c98ca7e9663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.310069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016378/publication.md
observed ff07c4033b4aaf7cd013c851d047093b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.289991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016378/publication.txt
observed 2c52f1d28492c3679ca6e424eaf6ab03...
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.