OpenTechnical

OT-2026-000050701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000050701) never changes.

Identity and time

Publication numberOT-2026-000050701 · never reused
Internal UUID01a0ae82-c7b0-743f-a28b-0170786ea1ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050701
StatusPUBLIC

Content hashes

Canonical textcd29de4e3864445d50f344a9e1dfd55cc33967665144812eb86ebbc69d7eb1d8
Markdown78c64c2b05568f55f1a20e744f09a176690aeffb839eb535ef9db16f40456065
PDF
Publication page31b3c61e4643fd5a4a461d6975e92705bc5b337fd7ff6e6b96d9618bb0501599
Manifest728b8be706d390c2fb7307e27daf985bceca1c9d027183a8653c604c507b2271

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
SignaturevM7sdPSqtBo2/hoMTaQ1xs+o43TA2vo/FLgDxQ3qE995D18UDl/P17pzmvM3XZL395PFXLMY0epdxakIeVASAw==
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

2026-09-17T10:59:24.966461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050701
observed 31b3c61e4643fd5a4a461d6975e92705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.948338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050701/manifest.json
observed 728b8be706d390c2fb7307e27daf985b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.931155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050701/publication.md
observed 78c64c2b05568f55f1a20e744f09a176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.913628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050701/publication.txt
observed cd29de4e3864445d50f344a9e1dfd55c...
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.