OpenTechnical

OT-2026-000038727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line 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-2026-000038727) never changes.

Identity and time

Publication numberOT-2026-000038727 · never reused
Internal UUID01a0ae78-769e-76e8-b2ef-35c9036fa8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038727
StatusPUBLIC

Content hashes

Canonical text50cbbe42af7c680b02b7c73ef3a19050467666c42a602303bdace2f28e5dcd4b
Markdownaf48528e19b84d32d8d5deaf4d550d17e73b757e4454a8efa0f64489e37edfe7
PDF
Publication page673b83131d215747dc102a83359d806f03b412353ca7f25cd9693f1442ee20fa
Manifest7c044d0923b6ff416ac5c9403a1d859c9b6c912bd5a893baaa3986c400f50885

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
SignatureNgmkzH/phoeAb4rZjaXuCT6/W5jNMjnVEWYD8JXJIWjg3quVqycX6iscN3o4WtChrH7XT6LmbiyX9nJ5+WY3Bw==
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

2026-09-17T11:21:15.320208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038727
observed 673b83131d215747dc102a83359d806f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.301521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038727/manifest.json
observed 7c044d0923b6ff416ac5c9403a1d859c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.282490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038727/publication.md
observed af48528e19b84d32d8d5deaf4d550d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.263632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038727/publication.txt
observed 50cbbe42af7c680b02b7c73ef3a19050...
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.