OpenTechnical

OT-2026-000039154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039154) never changes.

Identity and time

Publication numberOT-2026-000039154 · never reused
Internal UUID01a0ae78-9673-71ee-ade7-3054e0e37f4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039154
StatusPUBLIC

Content hashes

Canonical textad7288fec21584fa86e4357185cec9d067f5bfa779234486054dc96fae52241b
Markdownec9f48dda214446a224d5c891f2d91083ce74da5772eed2a732f37bd8372398a
PDF
Publication page1fbeeddcfc798d7c876f0c4e8f2335467128ea4c4d0de95fdaf4b289db3e43e3
Manifestde8833b30d72b856acd49f370c07841f3ba49e6a7f7391d56e0ed0281b2c1fe2

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
Signaturel+3NVRXv8SNVfEooKPd9Bt3PIa4jMG3H7bqUZJCoEVvxod1cyBVG2uaEiFfQTw4xHEar4sW6XIMAs3KXVL4PBQ==
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

2026-09-17T11:20:40.189545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039154
observed 1fbeeddcfc798d7c876f0c4e8f233546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.171354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039154/manifest.json
observed de8833b30d72b856acd49f370c07841f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.153741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039154/publication.md
observed ec9f48dda214446a224d5c891f2d9108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.900646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039154/publication.txt
observed ad7288fec21584fa86e4357185cec9d0...
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.