OpenTechnical

OT-2026-000063827

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000063827) never changes.

Identity and time

Publication numberOT-2026-000063827 · never reused
Internal UUID01a0ae8d-53b7-7d8a-a04f-c9c98eaebc82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063827
StatusPUBLIC

Content hashes

Canonical text2e09d71a8eef5d9dd3ea0f90b1a5e0c336fb377c51dec86c35d0aa83802c65be
Markdownb3661d4afe3c287ea3bf167283fa1fa6ed8edff100953479cd35b520a2e19fe3
PDF
Publication pageab347789673bb1400c3ddf1165a8a30147bb0d6f29546b85f0b9d824f58e2065
Manifest71f05c8b891fc6afa2f6f372ff7f524618183e7fd416765925131c556c9476f3

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
SignaturerhbmL1MBMI9icvcFpKX/k2CzWwgOLv+Opkso60m5eQaXy04y5g8XCyrIESklgJJmZ58XNEhD9tTt9VvQb4YjAA==
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

2026-09-17T10:36:51.044933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063827
observed ab347789673bb1400c3ddf1165a8a301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.026462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063827/manifest.json
observed 71f05c8b891fc6afa2f6f372ff7f5246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.010023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063827/publication.md
observed b3661d4afe3c287ea3bf167283fa1fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.991483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063827/publication.txt
observed 2e09d71a8eef5d9dd3ea0f90b1a5e0c3...
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.