OpenTechnical

OT-2026-000043850

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043850) never changes.

Identity and time

Publication numberOT-2026-000043850 · never reused
Internal UUID01a0ae7b-d677-7723-a339-df83f56d66d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043850
StatusPUBLIC

Content hashes

Canonical text47e980c8a3c32c79600e020b005ba563f55f5398d7b17c6223a1dd22f62f4ec0
Markdownceb51dd859debedb6d52c6235022031d32ed25369d65d91e9ced13387375f490
PDF
Publication page569c51bbf9369676d294a825ac8d3722a4df94b14f004b44c3bbef0be16c1850
Manifestf47a9172b621cf4f2dc0605931c7a12f329c791ec20610c34e5bd4cb01b81671

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
Signature/WPm81s9I072Oxlj9Kjgp8xL/Ieit2btkyCdqTIKiNIx1AOvSYam51789n+fTrhkL64Fk3K6u4CysHzw2VJ2Bg==
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

2026-09-17T11:12:10.061159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043850
observed 569c51bbf9369676d294a825ac8d3722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.044244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043850/manifest.json
observed f47a9172b621cf4f2dc0605931c7a12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.025874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043850/publication.md
observed ceb51dd859debedb6d52c6235022031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.007915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043850/publication.txt
observed 47e980c8a3c32c79600e020b005ba563...
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.