OpenTechnical

OT-2026-000049858

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000049858) never changes.

Identity and time

Publication numberOT-2026-000049858 · never reused
Internal UUID01a0ae81-fd75-7dd8-afae-0bfe45317193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049858
StatusPUBLIC

Content hashes

Canonical textee2477ccda5a932c029d9a00cbb95928bc655c13c72323d3d6ab05919e76cac8
Markdown8411e3986a7bd8cf6c4ce814e8933d31c3f83a3748ee0153912f9be7ebbba2a5
PDF
Publication paged5a07cda7c3a81fbdf9526ad2fe8d11c94e20aff60f0639312f7cb2678130856
Manifestc8fe5287c546bdd448ea5258bff936f3f111f484b6490d0876629145d0f3a4e7

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
SignatureFmB4ZifvSsWIglchFYqJJyw+u9bG7497WibzTpqBALMcq82vHCB2K+O8dIsOwup+r4YhMO3rruXNXd/vQADPDw==
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

2026-09-17T11:01:45.741790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049858
observed d5a07cda7c3a81fbdf9526ad2fe8d11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.723048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049858/manifest.json
observed c8fe5287c546bdd448ea5258bff936f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.704188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049858/publication.md
observed 8411e3986a7bd8cf6c4ce814e8933d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.684865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049858/publication.txt
observed ee2477ccda5a932c029d9a00cbb95928...
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.