OpenTechnical

OT-2026-000032960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000032960) never changes.

Identity and time

Publication numberOT-2026-000032960 · never reused
Internal UUID01a0ae75-4843-7023-af2b-7ef6b9bac3a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032960
StatusPUBLIC

Content hashes

Canonical textdd0074fac7ee0327da11d6da89fadc80e96c186c1e972759d9f0c0920ebbad1b
Markdown463e22016c61754a09d6485e6eb981e722af0968f390e2f94083aea42a9e66bf
PDF
Publication pagef5c6224a0836c374091ef820b37c740022ac4c0e78fb6576a15006ba4e68fe87
Manifeste5abb1950269a0a8a2054f11d1eedf2b470466085e21ead4a15326d1f99a4772

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
SignatureIz9L4WB22/G9DggzKpeFS/imnjuD2L7aGHqJ8XkYDxt0+iWb3WZWrL44jCRiSTWedjVbRrAh27Zqk3vbneNuDQ==
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

2026-09-17T11:32:33.987538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032960
observed f5c6224a0836c374091ef820b37c7400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.970842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032960/manifest.json
observed e5abb1950269a0a8a2054f11d1eedf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.951158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032960/publication.md
observed 463e22016c61754a09d6485e6eb981e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.933143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032960/publication.txt
observed dd0074fac7ee0327da11d6da89fadc80...
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.