OpenTechnical

OT-2026-000051297

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000051297) never changes.

Identity and time

Publication numberOT-2026-000051297 · never reused
Internal UUID01a0ae83-2740-75b0-8025-0c03907822ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051297
StatusPUBLIC

Content hashes

Canonical text7ac7694532a3e5a5fda7513baee9ab8ca0f0f3fc8fb623cb1606146ed6dc0ed5
Markdowndea9afd464d2b8ea05350fe7009199872dfb959183208461316452da521abe88
PDF
Publication pagef7119e1b121dafdcc78a1f196d497092c64071ac07fbb481db796f62333f5c4f
Manifest9713e5a2b7b75a3e903f67cc3eef61878a1d252436a5611738ad1aaed3d5fbfe

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
SignaturejZM5ixh0V1dmdrki+7mfWFupOD3+I469elF+y34V5oBK2DG3rKBrVyz+z/KJBe6yFKNfthBSucKz2qMhhDFiCw==
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

2026-09-17T10:59:06.532560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051297
observed f7119e1b121dafdcc78a1f196d497092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:06.512458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051297/manifest.json
observed 9713e5a2b7b75a3e903f67cc3eef6187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:06.493999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051297/publication.md
observed dea9afd464d2b8ea05350fe700919987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:06.474400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051297/publication.txt
observed 7ac7694532a3e5a5fda7513baee9ab8c...
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.