OpenTechnical

OT-2026-000043845

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000043845) never changes.

Identity and time

Publication numberOT-2026-000043845 · never reused
Internal UUID01a0ae7b-d677-7619-b2a4-40b228824387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043845
StatusPUBLIC

Content hashes

Canonical text130f52289ad0084f774c16988201f3e0a30530135bbf9f0f3b51673eec8257c6
Markdown3038ba8438c3e753017eb39abcad47e62cbe5a221b4a2cd624e3fb2f1a0029a5
PDF
Publication page8c03315c773af6f350c98aa9ae9f184f4c9f6d39880f68b75d2546b3a2c1b39e
Manifest88465d5646afcce6ea4cb763b9c56034e1d4b5c9942f1a4956aa3e19a57ff20c

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
Signaturek7vkeDJxMyjOz4LRqlep2G+4ZVdUG9+lGBYuiw9bOJzxu2IAFymAvqbGDREg2cTbgRGqJisiakDPgShTAhPJDA==
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

2026-09-17T11:12:09.654582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043845
observed 8c03315c773af6f350c98aa9ae9f184f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.634635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043845/manifest.json
observed 88465d5646afcce6ea4cb763b9c56034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.616239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043845/publication.md
observed 3038ba8438c3e753017eb39abcad47e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.597588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043845/publication.txt
observed 130f52289ad0084f774c16988201f3e0...
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.