OpenTechnical

OT-2026-000016575

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016575) never changes.

Identity and time

Publication numberOT-2026-000016575 · never reused
Internal UUID01a0ae6e-2d14-79f6-a074-04838d9df124 · 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-2026-000016575
StatusPUBLIC

Content hashes

Canonical text419a38e0b815aaa8236d8212d658356b39888fe30a37e64922fc3a40780511c6
Markdown98e891ba81f93edb6ef4ca7cf69423546ba49477285b1916dfb6bf1ed4e6c7bf
PDF
Publication page7bfb3e968fcdaa4bdb4063df14d3df986520590cfa8eaf33ab1afd9dedf1c287
Manifest9ede2fc016833cb6cde53cc0b0e8233e021f8b0f21a02cfc08c0a7a8458374eb

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
SignaturealTUTDP/fVKRVTDe9uiUj2T4U9AJ2Il5SjDvBznl6iziZwj2Mg0XX9vOBccUGfDIZeGdzdOV+UlyzNHrPyQTCA==
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

2026-09-17T12:04:48.475344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016575
observed 7bfb3e968fcdaa4bdb4063df14d3df98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.457518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016575/manifest.json
observed 9ede2fc016833cb6cde53cc0b0e8233e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.438354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016575/publication.md
observed 98e891ba81f93edb6ef4ca7cf6942354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.420239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016575/publication.txt
observed 419a38e0b815aaa8236d8212d658356b...
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.