OpenTechnical

OT-2026-000051121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000051121) never changes.

Identity and time

Publication numberOT-2026-000051121 · never reused
Internal UUID01a0ae82-c7b6-711c-890c-40e059e1187a · 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-2026-000051121
StatusPUBLIC

Content hashes

Canonical text198c846058078486e6c4780485c906f24774e8e4bad52294c05a400d753bb7c4
Markdown8de9335629e0705702e9d0a31a1fef79eed1cb4d6e14fb65c31fa26841db9d91
PDF
Publication page4bc8b64b33ce5da93f55edec74c1829345ddc47f915ca1ade3aeda58ffa14762
Manifest9606b05bd30c94e8476ad5f63cdd3491b3591c6347d14da3694ce1839c6a3f8c

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
SignatureDUH1eH5qgvastWEkgaH5qZxFfb7ePbfSNs4NY4iLETR9hFcHPwtWq+o3tFxosrr/Gli7iFvfqAtXPZoXndBIBg==
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

2026-09-17T11:01:04.425089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051121
observed 4bc8b64b33ce5da93f55edec74c18293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.406493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051121/manifest.json
observed 9606b05bd30c94e8476ad5f63cdd3491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.387754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051121/publication.md
observed 8de9335629e0705702e9d0a31a1fef79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.369182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051121/publication.txt
observed 198c846058078486e6c4780485c906f2...
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.