OpenTechnical

OT-2026-000063525

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000063525) never changes.

Identity and time

Publication numberOT-2026-000063525 · never reused
Internal UUID01a0ae8c-f945-7bb3-b5ba-3c3fd5951e3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063525
StatusPUBLIC

Content hashes

Canonical text99ddd2195ca5a60ed641b9e9818ed9495193b515557dd0614dd142f949057824
Markdown847d175c25eb77489ddeafdcaf49fbc88f75785c02468326eeea48aa697b96d7
PDF
Publication pagecb7114c163183842b363cfbe6f75ad49fc817f7af51ae4d53e821385674befe7
Manifestc3256819da897ff7f5fdc866ad1dc93773acef39e9848a76da25227916dbbb80

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
SignaturePWxwneBmoi+xdQdd/iC0lSocG9lSz69f9MDSgQRE07P5oKHp0gwLVCDrtRb5CQYngHiOSDtm/YlJcRYUYs4DDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:30.862241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063525
observed cb7114c163183842b363cfbe6f75ad49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.844142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063525/manifest.json
observed c3256819da897ff7f5fdc866ad1dc937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.825108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063525/publication.md
observed 847d175c25eb77489ddeafdcaf49fbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.806284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063525/publication.txt
observed 99ddd2195ca5a60ed641b9e9818ed949...
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.