OpenTechnical

OT-2026-000040344

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040344) never changes.

Identity and time

Publication numberOT-2026-000040344 · never reused
Internal UUID01a0ae79-2700-7cab-8904-027dbaff37d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040344
StatusPUBLIC

Content hashes

Canonical text64094b915c25796af26888f806cd424b7f0ff456baf8996b951755151c3f80c9
Markdownc70b5f3e4bd3ee8d3bebce9f4726dd4e3711b57cb60cee88088594725524fc51
PDF
Publication pageb058129e85cc789365e4cecdda59592d22f78eaad01f51833b14d30eaa9857d9
Manifest36bfc8ab3e6dc519d7ee2ad43af0e7b5e177ecacd38ef3c969de379f5c8674bf

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
SignatureT5Yj7paDLgaGELzG4ImzHZEuSPLtwIgl34+E3ZJ9fjUw4KgyjllgU3md9KHU2kNLLOXYd+Cs6oUazIVYkPd4Cw==
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

2026-09-17T11:19:21.193391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040344
observed b058129e85cc789365e4cecdda59592d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.175937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040344/manifest.json
observed 36bfc8ab3e6dc519d7ee2ad43af0e7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.158225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040344/publication.md
observed c70b5f3e4bd3ee8d3bebce9f4726dd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.138684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040344/publication.txt
observed 64094b915c25796af26888f806cd424b...
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.