OpenTechnical

OT-2026-000045576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off 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-2026-000045576) never changes.

Identity and time

Publication numberOT-2026-000045576 · never reused
Internal UUID01a0ae7d-8f02-7d9e-99fc-8172d6b82c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045576
StatusPUBLIC

Content hashes

Canonical textdfc5f85ad9e34df3cb72f2428d928759e13c8f28872942eabecf3f36a8beef96
Markdownacd40ff360ef3a59b19913ecaeb0bb141e589d06057b1d5de29966bf4f6c8080
PDF
Publication page2b927ebaa823382604f38f320dfe5b290fc2ecf38173463b85ea423c7b4aab8a
Manifest1fdd899404fab17aceaae054fa805d1cdce8f5353ed752a79ea889f5bd24736b

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
Signature+JYWQhJPafBrNt984LCInppRcGdh5xCAITIiAYFwBbT/0eAXB0I55k7Ef8wn+PVWeJIjvmmR6GpLAZQF5D3YCA==
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

2026-09-17T11:09:20.374583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045576
observed 2b927ebaa823382604f38f320dfe5b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.357344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045576/manifest.json
observed 1fdd899404fab17aceaae054fa805d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.333252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045576/publication.md
observed acd40ff360ef3a59b19913ecaeb0bb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.313144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045576/publication.txt
observed dfc5f85ad9e34df3cb72f2428d928759...
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.