OpenTechnical

OT-2026-000017637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000017637) never changes.

Identity and time

Publication numberOT-2026-000017637 · never reused
Internal UUID01a0ae6e-96f9-7957-8753-33fbc11ca472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017637
StatusPUBLIC

Content hashes

Canonical text26847c06a37fd2a0a5487554c43daf8ba6a93c0953f9dce72871f72348b28c86
Markdownbddd60a03e9899dba70532cb7b6b3aad96f54b248b95b429c7902a2b08e461e9
PDF
Publication page03c51c45029c47e385cbb4d433a745a1ccb2115ee01a2e3ba524d1842a6f60bd
Manifest6f27c0f23d13bc0dede081d73d4b90cc9e3dafe6bf0f0f3f6495c7a744e26236

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
SignatureQw9C7BqtlvwJtssjzXfn4D4jjSmKpYMk0db1//gCAy1BUnSpXccQbFso3AjVPzqAbYd/6tRBg5DN/5SU2QTWBg==
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

2026-09-17T12:01:27.075008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017637
observed 03c51c45029c47e385cbb4d433a745a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.057071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017637/manifest.json
observed 6f27c0f23d13bc0dede081d73d4b90cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.038896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017637/publication.md
observed bddd60a03e9899dba70532cb7b6b3aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.022523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017637/publication.txt
observed 26847c06a37fd2a0a5487554c43daf8b...
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.