OpenTechnical

OT-2026-000015479

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000015479) never changes.

Identity and time

Publication numberOT-2026-000015479 · never reused
Internal UUID01a0ae6d-ef4a-7f01-9b38-4dfdadd3764d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015479
StatusPUBLIC

Content hashes

Canonical text852e0aefa72b0a30b8f529a9760d59153677ede6ab57c8e680cbd87d508f5a26
Markdown3f1f1f2938ce5ed54382dcada18b6cb26b64690c70e47de447cfeb7c2e0e9fec
PDF
Publication pagea51068169fafc7d284adb33cf1296d72cd1ae4b9023b005a82ec2ae6b8b75807
Manifest84a041aec03b874ea5330e04a3a9ea86a4212f3a88e6bc87fc477c5a7287b33f

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
SignatureXM13tFfA2cO0HLYpXuNjV8lsUf0eiZsvP7xvtXPX7NfNi4XI0HnsKhg7jdxQBH7lva6lrMkIV2PNKAs11EcrDg==
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

2026-09-17T12:06:14.252343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015479
observed a51068169fafc7d284adb33cf1296d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.231999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015479/manifest.json
observed 84a041aec03b874ea5330e04a3a9ea86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.212626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015479/publication.md
observed 3f1f1f2938ce5ed54382dcada18b6cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.193218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015479/publication.txt
observed 852e0aefa72b0a30b8f529a9760d5915...
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.