OpenTechnical

OT-2026-000032512

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000032512) never changes.

Identity and time

Publication numberOT-2026-000032512 · never reused
Internal UUID01a0ae75-106f-7e49-baac-a57e30159059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032512
StatusPUBLIC

Content hashes

Canonical text22f686b7f817950f1e6c4b6dfc4d95913f9fe7e71b2acecbfe894e3d924dd5fc
Markdownaf088df2763b47ee90a1f4746eba7a2546433d4195af65a58e4085297420a7a5
PDF
Publication page9fb3a318ef58f93fa673f6951fcb02620c6a742605fe46e5ec49505bb2d2e838
Manifest1fcf54305f4397afb1bda9ed637ec3d5955156ec2534e62458214ea2ed339077

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
SignatureCuYutUwg4PZdtT+6iHEznJ97gaVg97SFRiBJ3sn4W0r2xmCu48VpFdz9/SR4x6ilK8BuWHFn54PxumqMA4pRBw==
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

2026-09-17T11:33:57.320882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032512
observed 9fb3a318ef58f93fa673f6951fcb0262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.305221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032512/manifest.json
observed 1fcf54305f4397afb1bda9ed637ec3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.290393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032512/publication.md
observed af088df2763b47ee90a1f4746eba7a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.273555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032512/publication.txt
observed 22f686b7f817950f1e6c4b6dfc4d9591...
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.