OpenTechnical

OT-2026-000044317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000044317) never changes.

Identity and time

Publication numberOT-2026-000044317 · never reused
Internal UUID01a0ae7c-39d6-7a98-8773-723073cbde0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044317
StatusPUBLIC

Content hashes

Canonical textcc4bba981bfbc028fdf6104e7156d46280107fa14a41a65574fb954d3dc28971
Markdown538a0625f2dea25b972ae5c0c433bfda96ac326eb160bf5cfb23888eb3bea19a
PDF
Publication page6e769186e69e2d98582ff70fde63736f51bb2c4b7352e22e5ed2020521ad86ad
Manifest760fe8785f3c41355d9627c88e91e76ece12e43f1b3c2237b59af2bc2c1c6f3a

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
SignatureVRMYxD4PkkCs8VWUkAyONf0qger5BBOj3UKKV8wK+fqCkmdo4vVo3Wzx0/VhQgXRdVDcc0exJqZHj+7gSJRDBQ==
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

2026-09-17T08:30:19.315716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044317
observed 6e769186e69e2d98582ff70fde63736f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:19.296097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044317/manifest.json
observed 760fe8785f3c41355d9627c88e91e76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:19.273455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044317/publication.md
observed 538a0625f2dea25b972ae5c0c433bfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:19.252317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044317/publication.txt
observed cc4bba981bfbc028fdf6104e7156d462...
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.