OpenTechnical

OT-2026-000005711

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, pressure verified, vented after set down

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-2026-000005711) never changes.

Identity and time

Publication numberOT-2026-000005711 · never reused
Internal UUID01a0a942-4257-713c-b5f9-b9b0979a1bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:07.003244Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005711
StatusPUBLIC

Content hashes

Canonical text2124fc56f5c1f2493703e9335af70fcdde3c91c092ba393d5685ce62a8d5bd96
Markdown4fc7876473436758565e22b9afc32834fab91901699ed48743ab14615b8b6ec7
PDF
Publication page8c8c98fc90acdcb6546d434d202afe9336de7825e3b09ec72368cd961f19a835
Manifest09eaa29f3e0da25859c47fcbd408251733df678dceee1f2dd1a6e95437191dd9

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
Signaturex2kMbPJVcwtO6+y+QSzaNL/Vd5LqI/o3vuZ4Lckz4n56CMdiQPc7uRdYS3UR1g+lngW37Sr0PniJk3jUd8iHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:08.873214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005711
observed 8c8c98fc90acdcb6546d434d202afe93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.739517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005711/manifest.json
observed 09eaa29f3e0da25859c47fcbd4082517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.725047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005711/publication.md
observed 4fc7876473436758565e22b9afc32834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.710683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005711/publication.txt
observed 2124fc56f5c1f2493703e9335af70fcd...
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.