OpenTechnical

OT-2026-000026077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000026077) never changes.

Identity and time

Publication numberOT-2026-000026077 · never reused
Internal UUID01a0ae71-a840-785c-9aa7-933cb729e036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026077
StatusPUBLIC

Content hashes

Canonical texta4f8723c5ecef43d0ced7d114ddfcfe3c1cf46f02065fe82a94984899a48cab1
Markdownc94aebe60f6048a27ff05d8e1c52829e16bb029387fb64f2d0c9ea3311cd97fc
PDF
Publication page7cfb5a0e492b20b3c9f7e32392e9285e526aa3a43dd0be3e6d12dc31c510606c
Manifest90a456fea2396be41cb66acffc4ea4c67de997c2ae31816d0f4fa630f1ee9d94

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
SignatureSF4eCxyCQPtfVIUwCsLBVsUV9l462Z+llHO+7x0J9p0K8MYr41eWUhfZj6oVaIyK/PsP6jpK2V87b67tqZffAA==
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

2026-09-17T11:46:34.514173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026077
observed 7cfb5a0e492b20b3c9f7e32392e9285e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.496752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026077/manifest.json
observed 90a456fea2396be41cb66acffc4ea4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.479102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026077/publication.md
observed c94aebe60f6048a27ff05d8e1c52829e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:34.459970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026077/publication.txt
observed a4f8723c5ecef43d0ced7d114ddfcfe3...
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.