OpenTechnical

OT-2026-000023450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000023450) never changes.

Identity and time

Publication numberOT-2026-000023450 · never reused
Internal UUID01a0ae70-7269-7bb7-aa02-be60945af80f · 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-2026-000023450
StatusPUBLIC

Content hashes

Canonical text09a739feb0f396f082b06256240b80b7ea1724208b9868567b6e7df464cd3663
Markdown9f45eb93e515529f33fedbf5406a6eba8ea2a13e4112930b074e2a2ff4994649
PDF
Publication page9107467f393324e2a22af84868d0cc3ed084040057fab83682c672f2e9f300fc
Manifest495d685066f1302ada04d327704cc4d7e5441a7d56e1e2a69277d455d453390a

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
SignatureJbCqejC/cuW8mPKl1fcs45aXgsyhdCzOlFwJEVt9CcEMs8AozsUPxCysSoUKR6+t50/T1PbQhaJsIsdtnKhcBg==
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

2026-09-17T11:51:40.059213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023450
observed 9107467f393324e2a22af84868d0cc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.043455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023450/manifest.json
observed 495d685066f1302ada04d327704cc4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.026965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023450/publication.md
observed 9f45eb93e515529f33fedbf5406a6eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.007927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023450/publication.txt
observed 09a739feb0f396f082b06256240b80b7...
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.