OpenTechnical

OT-2026-000104159

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000104159) never changes.

Identity and time

Publication numberOT-2026-000104159 · never reused
Internal UUID01a0aea5-341f-7695-bb7e-50749539056a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104159
StatusPUBLIC

Content hashes

Canonical texte3a456e456fa0bc366f312915ea83a05c883c72afc7ed571b253d627c754623b
Markdown75a12604cf1372048855e6d67255e96a218871717bda086deb582878b1f396dc
PDF
Publication page7c8f4af3a43d87d5e05b3dfbdbc4eace6676b1c2ae3f529f844351d217d9d55d
Manifest10165090d3f94e76f00ccf30c43c10b5dad276e4832763036407e154660e22f2

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
SignatureqX0WPW6h3wvh7o04zzZZJrt20EjSvbxCGIFNpiqYRtQgSfo/DdgRre/7qym6XmaxY1F5f5YA6kKqij+l4ph7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:14.898301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104159
observed 7c8f4af3a43d87d5e05b3dfbdbc4eace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.880133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104159/manifest.json
observed 10165090d3f94e76f00ccf30c43c10b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.860685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104159/publication.md
observed 75a12604cf1372048855e6d67255e96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.841357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104159/publication.txt
observed e3a456e456fa0bc366f312915ea83a05...
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.