OpenTechnical

OT-2026-000024158

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000024158) never changes.

Identity and time

Publication numberOT-2026-000024158 · never reused
Internal UUID01a0ae70-e8c7-77b9-93dc-6a1482279a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024158
StatusPUBLIC

Content hashes

Canonical text9ac3d430708d551315bca37c1f13e7e133fa57cbbcbf2f821beb4007c49fcf0b
Markdown414f08843ffa649d92c10165e985aa8efb317c296fae692e62ec4857b848a9bd
PDF
Publication page6bef893b4fa26b3d33f0dfebc263ac77470e566cca5898b337358919aa099568
Manifest4013a30bb9217fb8ec0845ef93121bc9f2bf469481b38665850a028df7f20625

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
Signaturei0zgSrue8PQK6gBzV3sHYEeL7Q52TtTq76fztZP7cXpTF6+TnEFIapduZGGXFOTCab0knv7F1cb3Uc1UJKpGAA==
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

2026-09-17T11:48:35.781812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024158
observed 6bef893b4fa26b3d33f0dfebc263ac77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.753694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024158/manifest.json
observed 4013a30bb9217fb8ec0845ef93121bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.734593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024158/publication.md
observed 414f08843ffa649d92c10165e985aa8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:35.709179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024158/publication.txt
observed 9ac3d430708d551315bca37c1f13e7e1...
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.