OpenTechnical

OT-2026-000075026

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000075026) never changes.

Identity and time

Publication numberOT-2026-000075026 · never reused
Internal UUID01a0ae93-ac2d-7b59-9a05-1427230e573e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075026
StatusPUBLIC

Content hashes

Canonical text16653cd3e761cebdc9b97a2bc9de1df0e0904c8b38be815c970a8d4608243bd5
Markdowne58ee18c2047c4c2fe93f3cccf609a0aabe92da90bc42237169754dbda635037
PDF
Publication pageee55d92adccd3ce33905599412a1a00f0e466e7af3d136e5f3a000d042d68c09
Manifest40848cb5b2956d0c07efb83a674aedf20ea61d27eec057580d157cd127075af7

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
SignaturezmUlskgyhF90fJSbcVNrC3RZ5RtAbNKvBQQl9RMbMnMQDR8Qr87erdrxWhGMfGpkMp1YCmULvPm05LVS2vjeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:50.302908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075026
observed ee55d92adccd3ce33905599412a1a00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.286567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075026/manifest.json
observed 40848cb5b2956d0c07efb83a674aedf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.271029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075026/publication.md
observed e58ee18c2047c4c2fe93f3cccf609a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.253832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075026/publication.txt
observed 16653cd3e761cebdc9b97a2bc9de1df0...
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.