OpenTechnical

OT-2026-000046087

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000046087) never changes.

Identity and time

Publication numberOT-2026-000046087 · never reused
Internal UUID01a0ae7e-032b-7633-b8a5-6726ae2fc2ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046087
StatusPUBLIC

Content hashes

Canonical textea9fbeb9145c1da5f42f269cc731ee5ed97e4ee2d60c960cc3ee7f07bafe5c5b
Markdown79f586d71023364626661463db53608c35f0a45fdfd7d3763b5ac8af54174cf7
PDF
Publication page5d7ef231800ec980a0522495fdb8e7a0d76ecefb29e51037118024a2149aa58c
Manifesta717e67abdf59881894f0d3881f39a4bcfbbfa6c5fedee4e8dc25efa1ac121b3

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
SignaturegM5Y30iEw1OktkKk1Yw2cFBY87lxadMZiuAUnIpvFXR+kTWy+C3vg3ZLldsuwFpFMUvzRRC7C8wt13IMTwtKDA==
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

2026-09-17T11:09:03.495776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046087
observed 5d7ef231800ec980a0522495fdb8e7a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.478660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046087/manifest.json
observed a717e67abdf59881894f0d3881f39a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.460702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046087/publication.md
observed 79f586d71023364626661463db53608c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.441923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046087/publication.txt
observed ea9fbeb9145c1da5f42f269cc731ee5e...
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.