OpenTechnical

OT-2026-000011572

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000011572) never changes.

Identity and time

Publication numberOT-2026-000011572 · never reused
Internal UUID01a0ae6c-8900-7288-a3d7-be76e1219606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011572
StatusPUBLIC

Content hashes

Canonical text06aba50e5d8846301c4865cda08eb545ce9238ee7fe0f268a810d7109f64cc7f
Markdown4a12d36b26f5e26517532173aec97e35b5dda5d8704b910f5b0bb9f434ffb786
PDF
Publication page6afe8bbc274ad708da55d9d298f9b5225822064c8136fe1ee020caa329e3de10
Manifest771dc32cf69f13934f69a54e29fc16c18076dca191b1817c67adfcf1781d9594

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
Signature/qlWh+QK4s2xLdqAWS6YQxwWH8LxyQByjmLQyveawmjMwWV4GwiiZZDjDivUa1ZnIqTgpBRivfB+1MLhizm/Cg==
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

2026-09-17T12:13:28.257701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011572
observed 6afe8bbc274ad708da55d9d298f9b522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.240450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011572/manifest.json
observed 771dc32cf69f13934f69a54e29fc16c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.221654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011572/publication.md
observed 4a12d36b26f5e26517532173aec97e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.201736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011572/publication.txt
observed 06aba50e5d8846301c4865cda08eb545...
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.