OpenTechnical

OT-2026-000025291

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025291) never changes.

Identity and time

Publication numberOT-2026-000025291 · never reused
Internal UUID01a0ae71-5fa6-7174-96ee-40c0930fba12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025291
StatusPUBLIC

Content hashes

Canonical texteaf0abf4ca88f0f7cf896a76e451a0890af76b528500e7132f5e7d01fc85d7c6
Markdown985a329f02bf698bdf4e14e5d516030452183b05769fa8e166255bca3a1f5fa4
PDF
Publication page0b1631b59e69adc6aa53c7a7c31f2f13f2ecafc0e4e8e2c0a9b537da6219849b
Manifest6a7c5564f1f9cc42ca875ddd876cb417eefd928c201a66920dbc4afd3a80df27

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
Signaturex9d+jz2Q5LeaxT32A7BHx3nz2WdsGitGJ5UB74Cd6O70SQ973lBK+ZUbt2cTTMF0cgkoLemiEfvGaBZ3W5bYBg==
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

2026-09-17T11:47:18.272703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025291
observed 0b1631b59e69adc6aa53c7a7c31f2f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.256194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025291/manifest.json
observed 6a7c5564f1f9cc42ca875ddd876cb417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.238674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025291/publication.md
observed 985a329f02bf698bdf4e14e5d5160304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.219953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025291/publication.txt
observed eaf0abf4ca88f0f7cf896a76e451a089...
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.