OpenTechnical

OT-2026-000092007

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000092007) never changes.

Identity and time

Publication numberOT-2026-000092007 · never reused
Internal UUID01a0ae9d-43bc-793d-8314-4557a6b915c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092007
StatusPUBLIC

Content hashes

Canonical texta59229d55c31c21c16677c4abf3fe4800540fe8fc59854ba92edd5b422d8b970
Markdownc23e73dc2309cc0eee8681e3073228b1c1f1896903185af7143e221128710f92
PDF
Publication pagef6ad83feda08eae0d03c9091e1f05f2702929cdfa5498e424b702f81b41faf3a
Manifestd329c9a629896851db8c5932003fd7340f35d1604eda250fd112ca9978a44422

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
SignaturewlIudEwwJmbgpN5Ylbk5fCDCfePLQTle/6j24jj9oG7liWRhEO5SI42JmDwJHRHxtGpe8x4YSyrw6eikOMR3CQ==
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

2026-09-17T09:43:01.421632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092007
observed f6ad83feda08eae0d03c9091e1f05f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.396095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092007/manifest.json
observed d329c9a629896851db8c5932003fd734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.362181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092007/publication.md
observed c23e73dc2309cc0eee8681e3073228b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.339318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092007/publication.txt
observed a59229d55c31c21c16677c4abf3fe480...
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.