OpenTechnical

OT-2026-000030184

Publication integrity record

Two bellows cup 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-2026-000030184) never changes.

Identity and time

Publication numberOT-2026-000030184 · never reused
Internal UUID01a0ae73-e500-76a1-8867-6789ec6814dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030184
StatusPUBLIC

Content hashes

Canonical texta6b0e67c77c0e4dc284529809a3178858f2be0535c716d23c84ebedc3870ab74
Markdownf054e7854dce634548353553981690463fa64f93d4c686d85771ed2a36a9d5f9
PDF
Publication pagef2920a7a820d677404d84bff138cf22f09728ff4eeb3621a41ffaf1fce7fa409
Manifest0f18a06776cf34ce8de764047df2282d64df1c227e803c2a8a76a2ee743c834a

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
Signature/jv4Xjz5OkBgL76wESSKFYKxfXjuFq4wNlbK2dXqfRHRsHkNHcnzpn7bYe39+M3Dtat19ymCYiHXbk1RgiwrCA==
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

2026-09-17T11:40:32.890091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184
observed f2920a7a820d677404d84bff138cf22f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.874433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/manifest.json
observed 0f18a06776cf34ce8de764047df2282d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.858369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/publication.md
observed f054e7854dce63454835355398169046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.841381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/publication.txt
observed a6b0e67c77c0e4dc284529809a317885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.281633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184
observed f2920a7a820d677404d84bff138cf22f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.264602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/manifest.json
observed 0f18a06776cf34ce8de764047df2282d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.244811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/publication.md
observed f054e7854dce63454835355398169046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.227678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030184/publication.txt
observed a6b0e67c77c0e4dc284529809a317885...
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.