OpenTechnical

OT-2026-000023448

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000023448) never changes.

Identity and time

Publication numberOT-2026-000023448 · never reused
Internal UUID01a0ae70-7269-7893-a0cb-df5786a3a741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023448
StatusPUBLIC

Content hashes

Canonical textc4919ee91fb9441fb36733796245cbc514fd802a7b24f89a4d95f78f5f7664bc
Markdowna0f80241ff50526d857e0abf4ae131eff9455c23572c33573d45618d4e988b23
PDF
Publication page67cc88842f97862aa090876bfe6b257219b16179b7fc5e2c98dd124e7db6b333
Manifest1716eee93cce8ebed7aeb0ab1a57cdd24509c6b80fcf162a104f1d413d283212

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
SignatureJmPmdvUEz/AFVjDcL+7IFdGRtmuVR+zFx/Ahpuh/1CGqhqwQMMvP5P5YM22WX352aJe4YoyixxiCmlgJ5qyuCQ==
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

2026-09-17T11:51:39.906252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023448
observed 67cc88842f97862aa090876bfe6b2572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.888123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023448/manifest.json
observed 1716eee93cce8ebed7aeb0ab1a57cdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.872638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023448/publication.md
observed a0f80241ff50526d857e0abf4ae131ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.854886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023448/publication.txt
observed c4919ee91fb9441fb36733796245cbc5...
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.