OpenTechnical

OT-2026-000032159

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032159) never changes.

Identity and time

Publication numberOT-2026-000032159 · never reused
Internal UUID01a0ae74-f7a6-795a-be86-c17f2c18c783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032159
StatusPUBLIC

Content hashes

Canonical text57dd568e87ea3ce586daa1fe2d5a6c80f6d351f937dcc9e64876664fd0db1f73
Markdownbf375f10470229dc1bb38a2c616b8390f915f72f55adcf74b6a0615a135ef7b1
PDF
Publication pagec1f252b3a0d0de532e2811e7c65872c3853214fb27e6b1e725ba6976656c2929
Manifestae83f9d23b09805a8eafa21f70ca9fc04af4f79c7b4f5062e700eeccd6829ec8

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
SignatureCRr6L9Z9/+DdNBXK7oyYBzfbqjxAphUtYwFiEAh7wYiTxImUouOkesSY3qn0OGf8ip8AQg8EbwEAhN2O1VEFAQ==
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

2026-09-17T11:34:29.050429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032159
observed c1f252b3a0d0de532e2811e7c65872c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.031746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032159/manifest.json
observed ae83f9d23b09805a8eafa21f70ca9fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.010556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032159/publication.md
observed bf375f10470229dc1bb38a2c616b8390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.993943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032159/publication.txt
observed 57dd568e87ea3ce586daa1fe2d5a6c80...
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.