OpenTechnical

OT-2026-000041831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000041831) never changes.

Identity and time

Publication numberOT-2026-000041831 · never reused
Internal UUID01a0ae79-e8a5-77ab-a197-4a0233f136d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041831
StatusPUBLIC

Content hashes

Canonical textc4a210765fafebc4a7a08c0285bd1ebd0371c3b5a6f2dca8ab3692c97aec9e35
Markdown83e08e05726c950b98614063b7e90f88687efc2010491718e578735f24464585
PDF
Publication page8026395b52eef9b3e3a68aef7840038934917544d4a0d0070a18596fa619987c
Manifest37b221e4529bcccdf470f16dc4c696e1626b14a7c608622e000387db4916bb37

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
Signaturesm5AQhFjxBUy8x8IgRQCrpBSKztondL1WnKo6Wp/qcxPEf8eEKyPxFr8JiBU3c9c13EGXXsvk7hVq374E/TVAA==
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

2026-09-17T11:16:41.760972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041831
observed 8026395b52eef9b3e3a68aef78400389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.743560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041831/manifest.json
observed 37b221e4529bcccdf470f16dc4c696e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.717087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041831/publication.md
observed 83e08e05726c950b98614063b7e90f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.691233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041831/publication.txt
observed c4a210765fafebc4a7a08c0285bd1ebd...
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.