OpenTechnical

OT-2026-000012319

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000012319) never changes.

Identity and time

Publication numberOT-2026-000012319 · never reused
Internal UUID01a0ae6d-39f6-7382-b9cf-644e040d6e49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012319
StatusPUBLIC

Content hashes

Canonical text0fd4d24819a3cffc0f37b12734c5bf4244e992d8f9a327b8a7aebe11347d36fc
Markdownc036950d34f47ca7b3a0de8fbc9fabf83a540b011a967a8b3cddc14935adbc6d
PDF
Publication page760bb5ffff55c1fd132fbc623c62eeef77e26ee61ae0af8baf13dc318950ed6c
Manifestd41d4a797b21470139dc1e22de5d1c83d77202d00e5cbbd7018e856069fcac9b

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
SignatureGuF4IrU3mbp4NnzGEP5Ej0Fvv4odgUv2ZJ0K2y+1k+sCZSavpu8NvZxVQiEF3YvcCpshFGn/HC6QjdKjOBnOCw==
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

2026-09-17T12:11:16.044481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012319
observed 760bb5ffff55c1fd132fbc623c62eeef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.025107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012319/manifest.json
observed d41d4a797b21470139dc1e22de5d1c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.007207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012319/publication.md
observed c036950d34f47ca7b3a0de8fbc9fabf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.989105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012319/publication.txt
observed 0fd4d24819a3cffc0f37b12734c5bf42...
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.