OpenTechnical

OT-2026-000045839

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045839) never changes.

Identity and time

Publication numberOT-2026-000045839 · never reused
Internal UUID01a0ae7d-8f05-7636-8636-d296a4392422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045839
StatusPUBLIC

Content hashes

Canonical text0fb06c42bef8bbd6e8b892a44645e58665f09d0527530b123928c76e16af4728
Markdownadff9a9f73ffc665f66c7c4221102066836544dbdd727b5cd27c5d99ea6c1df7
PDF
Publication pagec3d5d51746df195b9077fd3aee6c38ec535caab75d8e7148b20ff1524feee618
Manifest28438190a7964da06225f4e5b676c1010879c853f05aa62bf3d1ed2baa9c691f

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
SignatureUG4l63uK7VaoXtl/wKXaJ4zo/P37sBb6cgDXuoXi5XWBSK4L5tkWKdJa57FnvMl4Dhw0YCMA0HZ5L7avKHffCQ==
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

2026-09-17T11:09:43.068732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045839
observed c3d5d51746df195b9077fd3aee6c38ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.049828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045839/manifest.json
observed 28438190a7964da06225f4e5b676c101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.030807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045839/publication.md
observed adff9a9f73ffc665f66c7c4221102066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.010872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045839/publication.txt
observed 0fb06c42bef8bbd6e8b892a44645e586...
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.