OpenTechnical

OT-2026-000042250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000042250) never changes.

Identity and time

Publication numberOT-2026-000042250 · never reused
Internal UUID01a0ae7a-5d72-7162-ace8-7a60599ecf67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042250
StatusPUBLIC

Content hashes

Canonical textee35109f090ef6135e1f7b924c67e8ac31f5e2825cc972852ca4a2c36da2071a
Markdown3eff4788cf0d09ecdfc0ee9e0488a5e89ce96071c9ad10bea30fbacd0c132727
PDF
Publication page324d0e51d7c780f000e28bd6f2a0f7674cdccecd8b9f1be7fd87cf7202f80cd4
Manifestb69d6c83737aabbfddca173262bcc9b040c3747ea88f4d4a875a33f6edc51a8c

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
SignatureUA8kJE1u03aPpWVPALMsk9/zPAl6Mm6QnsydxO2iTkLXI4J+6UrtR5oq35LDi2vlj8Ss/7ejyWXcae0Muo2EBQ==
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

2026-09-17T11:15:55.996529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042250
observed 324d0e51d7c780f000e28bd6f2a0f767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.978985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042250/manifest.json
observed b69d6c83737aabbfddca173262bcc9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.958941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042250/publication.md
observed 3eff4788cf0d09ecdfc0ee9e0488a5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.939288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042250/publication.txt
observed ee35109f090ef6135e1f7b924c67e8ac...
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.