OpenTechnical

OT-2026-000019732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019732) never changes.

Identity and time

Publication numberOT-2026-000019732 · never reused
Internal UUID01a0ae6f-1fb4-7432-be69-eecd67124d4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019732
StatusPUBLIC

Content hashes

Canonical text17a533155ac274a0bf753b89989b05ec855557ce48161d5243f0b62ef8348d66
Markdowne5a669e301baec3ded7548feb3aad0d80e55412121a46041e281e98b72a8adf7
PDF
Publication page75c6d6153a76fbbaa55c6a2515e59e83f39440df4fbf858091b1004da8ba5d09
Manifest648b56f84b35e76bb72c10ae5f7b4707585520b2087e66e50f4ea89ca19a9999

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
SignatureIPCc5aHEAestwsWgc54Grf02gFe7aM8iiNmmDMajN+4y8eZj6JpujFZYAZI+pKC1ilTCRzv8320ucYBybIHmCg==
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

2026-09-17T11:57:49.352003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019732
observed 75c6d6153a76fbbaa55c6a2515e59e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.333519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019732/manifest.json
observed 648b56f84b35e76bb72c10ae5f7b4707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.314775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019732/publication.md
observed e5a669e301baec3ded7548feb3aad0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.297451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019732/publication.txt
observed 17a533155ac274a0bf753b89989b05ec...
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.