OpenTechnical

OT-2026-000038307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000038307) never changes.

Identity and time

Publication numberOT-2026-000038307 · never reused
Internal UUID01a0ae78-2d51-792c-ab6d-f104d1d06fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038307
StatusPUBLIC

Content hashes

Canonical textfcb53cfba6e3b747cb7ca2a973f62a65ae1ddc0d42785e7b2728f8a470f1a9c0
Markdown0549c8bf3d94189d9b3c2954a5fc10e1a0943fbf53fdd3c17b1e1887a4783ad8
PDF
Publication page9e50d9d3d51091587090d6754c997cef85b5a75726f78dd90be96b24eb5820e7
Manifest7cfd49761f72859e10b5488a5bafd8e149e3b6a3e2107367ae28534e9d1d9319

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
Signature6P2qU7FSuQr0tLKnIr857IvAekDbOOYlIVe7aC+YaDn4OGMxo7p57U/uIan8nwI1A8CKR0W0AwDyKV71O9cmDA==
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

2026-09-17T11:22:28.777227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038307
observed 9e50d9d3d51091587090d6754c997cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.760593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038307/manifest.json
observed 7cfd49761f72859e10b5488a5bafd8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.743616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038307/publication.md
observed 0549c8bf3d94189d9b3c2954a5fc10e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.726987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038307/publication.txt
observed fcb53cfba6e3b747cb7ca2a973f62a65...
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.