OpenTechnical

OT-2026-000059605

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000059605) never changes.

Identity and time

Publication numberOT-2026-000059605 · never reused
Internal UUID01a0ae89-ec24-7111-b1f3-4d2552f54260 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059605
StatusPUBLIC

Content hashes

Canonical text8842cc9325fc899497e7ead6a12d85f23c7a4c738e6f03259eddaff809492004
Markdown245a2928ddb3437b236ef471730b7df7f6d56f6d88a9113919f3ab0e86c09ab8
PDF
Publication pagee85555bf3aec41ceed80e2069e870cbca8b2faa513f04454ebbdb8919449cfbd
Manifest5501ec1f961777f450509c1451f108aa4465748c5cefb6813a93d729c86a0a4b

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
SignatureMO0DxLdgSVhOgIA1f42Mb9DCvb4gUgibsi+bNVOToLw60B60aL9uHBEMRwp59LJ1XGvx2TuiTkdIMMHMr7o+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:15.567037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059605
observed e85555bf3aec41ceed80e2069e870cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.551266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059605/manifest.json
observed 5501ec1f961777f450509c1451f108aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.532969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059605/publication.md
observed 245a2928ddb3437b236ef471730b7df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.514327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059605/publication.txt
observed 8842cc9325fc899497e7ead6a12d85f2...
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.