OpenTechnical

OT-2026-000043610

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000043610) never changes.

Identity and time

Publication numberOT-2026-000043610 · never reused
Internal UUID01a0ae7b-92d0-76ad-bafc-b04329f6ad63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043610
StatusPUBLIC

Content hashes

Canonical text6921b0a548161093f721c513562e0af44c241a0963aafff83e45dcce085a0aaa
Markdown2184cde15317a1fc77d0ee26ce230155b85cee29e4e1a86851221129ddb87c99
PDF
Publication pagefb4ba5d5e3d6dad6154d5e92ad859ee0f7c0509f7116af75e0cdaac89d9b11b2
Manifest609d5996b57d34211d866678f749005dc65860bd8e7255eafa3b61b1c0961886

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
SignatureZe9XiGLZp4moBcFTuqRoTHuXG11qKMzcUbH2BQjQTffFVVh50UXxRmUbXQ1fIHScQuIWTdway13w9WA3uJR6AQ==
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

2026-09-17T11:13:01.165084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043610
observed fb4ba5d5e3d6dad6154d5e92ad859ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:01.146399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043610/manifest.json
observed 609d5996b57d34211d866678f749005d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:01.128004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043610/publication.md
observed 2184cde15317a1fc77d0ee26ce230155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:01.112109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043610/publication.txt
observed 6921b0a548161093f721c513562e0af4...
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.