OpenTechnical

OT-2026-000036458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000036458) never changes.

Identity and time

Publication numberOT-2026-000036458 · never reused
Internal UUID01a0ae77-01d1-7809-bf6d-528575431f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036458
StatusPUBLIC

Content hashes

Canonical textf65d9fdb5183844c3fbff23c5938d1b4fa7b7330fef341f506e63ea22e39a148
Markdown1f15eb035fe6abf49f29401408e96060e71d4bee2f6e4665381d3dcff82f644e
PDF
Publication pageca8aa4949f4087a096bfe7626ced552f92e0bcf77907787cdc775e32013aeade
Manifestf56037f1ec888dda42491d76ad16494067d9235f90f9e4bd522e071340a3913b

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
SignatureFGl3e5RlHVeJxcLRfIFHs0AWgxSsHyXbnY96QQPyST+4o5lyjl+98ahja932LhIAVYvV5Lv1w8CamP4wMuAPDg==
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

2026-09-17T11:26:51.549560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036458
observed ca8aa4949f4087a096bfe7626ced552f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.532767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036458/manifest.json
observed f56037f1ec888dda42491d76ad164940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.514654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036458/publication.md
observed 1f15eb035fe6abf49f29401408e96060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.499346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036458/publication.txt
observed f65d9fdb5183844c3fbff23c5938d1b4...
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.