OpenTechnical

OT-2026-000012061

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000012061) never changes.

Identity and time

Publication numberOT-2026-000012061 · never reused
Internal UUID01a0ae6d-1943-75c8-8b92-a712d588fba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012061
StatusPUBLIC

Content hashes

Canonical text9bc2d37eb60c74712851d9cd13aa0c0f293e12322c6fda85f6430dae243b86a8
Markdown5d61cb29c2aa7e9e7c458fc3a8fcc7f6aef4d026d2f0f67586a23c316af534ab
PDF
Publication pageb88107401ec1a0113ef1c14c8249da3c94fe794d4e6067ae1133df98c89dc200
Manifest9d23f9b07e53b0a7814192e91614e56865a4893f0560d70304c0d878bf09d45f

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
Signature6SnSwXVQc15/GG1u0WRETvSBo1AzTmA2WqMD2zVI5Hq/UZTX+/pWn9G6mCx9JZ+xIQv0KIiaUunCZHSceDCMDA==
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

2026-09-17T12:12:56.594159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012061
observed b88107401ec1a0113ef1c14c8249da3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.574180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012061/manifest.json
observed 9d23f9b07e53b0a7814192e91614e568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.554831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012061/publication.md
observed 5d61cb29c2aa7e9e7c458fc3a8fcc7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.536905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012061/publication.txt
observed 9bc2d37eb60c74712851d9cd13aa0c0f...
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.