OpenTechnical

OT-2026-000019129

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019129) never changes.

Identity and time

Publication numberOT-2026-000019129 · never reused
Internal UUID01a0ae6e-f391-7b58-a270-f27ba6429644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019129
StatusPUBLIC

Content hashes

Canonical text3735c9892096481dce6b2fdfc5a9e3dfcb7725e2211609ba451ab2d63236e665
Markdown42b3d332809f13f42a15dce7e9637a8dd833f2d6f30509f56acfbf6983a291ef
PDF
Publication page5c049e24f13ef741bf0d1e7ce0d622ab922623e559e6041e6ea48cb8af3a6ae5
Manifest4abb03bf826e778d2887a2d1943d1fb8681298a83add598be3739de13535eae5

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
Signatureu/qzrDaAnml8QJM2CXMQ7wmIKzY6KeIdzRgSn3gubt6PpFk6+aR4ZtRaKnyHKzCc0rHb+fPgOV8PLGVdRHxbDQ==
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

2026-09-17T11:58:26.158742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019129
observed 5c049e24f13ef741bf0d1e7ce0d622ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.142911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019129/manifest.json
observed 4abb03bf826e778d2887a2d1943d1fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.124662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019129/publication.md
observed 42b3d332809f13f42a15dce7e9637a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.105436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019129/publication.txt
observed 3735c9892096481dce6b2fdfc5a9e3df...
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.