OpenTechnical

OT-2026-000043861

Publication integrity record

Single cup vacuum gripper, 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-2026-000043861) never changes.

Identity and time

Publication numberOT-2026-000043861 · never reused
Internal UUID01a0ae7b-d677-7f14-89ac-82f4e6b72cd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043861
StatusPUBLIC

Content hashes

Canonical text570d40de4be4b50143674b5b99c5499ec52127e4f7cfddbe508f72527425d51d
Markdowneb95009a5afd8d3ba2f4c400c1fd46fb5ec41634f9fafd12a2b3a9c2af1511fd
PDF
Publication page2650dc949ac31ae60de59514ad173d094066cba1c4d132144d3170a3f37a334e
Manifest1f5765de627626e79dd38c785883107c2822549099eb3c8d021acb272cc188e9

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
SignaturehmTgeThKUHEQDsqEmodGhq8qK1B97ZgWhA+Lybdi5DxKYRsVh1tElJNus+A/lkJV9vG22sKT91AmXgR6ysjnAA==
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

2026-09-17T11:12:10.919012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043861
observed 2650dc949ac31ae60de59514ad173d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.900921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043861/manifest.json
observed 1f5765de627626e79dd38c785883107c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.881587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043861/publication.md
observed eb95009a5afd8d3ba2f4c400c1fd46fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.864894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043861/publication.txt
observed 570d40de4be4b50143674b5b99c5499e...
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.