OpenTechnical

OT-2026-000023245

Publication integrity record

Two cup 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-2026-000023245) never changes.

Identity and time

Publication numberOT-2026-000023245 · never reused
Internal UUID01a0ae70-7267-7f4c-811e-d32ac55f07c2 · 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-2026-000023245
StatusPUBLIC

Content hashes

Canonical textc4188fca7e98601c4adeb1277eb70a95c2f35b2fc7566caba19a61e76c28ad97
Markdowna79042a0f25cadad07771c2b5c85985d3d25a9ae6d6be77958f41c69508f7b50
PDF
Publication page5966ae146e82cad5751b4f09afcc24c580b304abb1f43eb84800217c3b45c41a
Manifest7d0a63bbef8d018f782b019785fae57cd68835bd326ac669306e021abce0adff

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
Signature2htVxTzmsQYg353O/MSaL0Bcb9zaEeMrtlxbrJqff/p8dLS2WRSNxj6luvws66dCKt4QOLYpEU+7GhxbBGTQDQ==
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

2026-09-17T11:51:18.629204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023245
observed 5966ae146e82cad5751b4f09afcc24c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.611283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023245/manifest.json
observed 7d0a63bbef8d018f782b019785fae57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.592313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023245/publication.md
observed a79042a0f25cadad07771c2b5c85985d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.573440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023245/publication.txt
observed c4188fca7e98601c4adeb1277eb70a95...
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.