OpenTechnical

OT-2026-000015006

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000015006) never changes.

Identity and time

Publication numberOT-2026-000015006 · never reused
Internal UUID01a0ae6d-d096-775a-aca1-ee523c0ff3e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015006
StatusPUBLIC

Content hashes

Canonical text1ba8408e4afe2a80760bab57363f44bd8dcf352ef5cbb6f2c9c548c77649db56
Markdown76559d2efc2e6c03608a6cf4d7bb4ddfe6e817b00bf59dc077abc2462b883e08
PDF
Publication page9b0564ad29180126f14852d7fb2b7d2becaf27d9275d2aa54fdfcf10dea4b70d
Manifest6aca32f21609e140a13011c3ec33005412f64030a7ac8bcf954cfd9d3a890ef4

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
Signature0/BvRF5ub1hG0i2kGpUuC6x5sFKxkJAhyESurK6OFhErYWPI/0uosTrGBD0MEaldAxCFkCSrnJ5gPRINKlmyDw==
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

2026-09-17T12:06:58.465544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015006
observed 9b0564ad29180126f14852d7fb2b7d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.445534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015006/manifest.json
observed 6aca32f21609e140a13011c3ec330054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.427799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015006/publication.md
observed 76559d2efc2e6c03608a6cf4d7bb4ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.407740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015006/publication.txt
observed 1ba8408e4afe2a80760bab57363f44bd...
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.