OpenTechnical

OT-2026-000079325

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000079325) never changes.

Identity and time

Publication numberOT-2026-000079325 · never reused
Internal UUID01a0ae96-0b90-7917-8fcd-f8d61178fc5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079325
StatusPUBLIC

Content hashes

Canonical textb694ec539574e473ad4ad003eeb639299a7475a22cf3cb18cdd563df2d91a1a2
Markdown7b2e512e2f8679d8f75947739767b5cd22ac1c6de554bdd81b32103ef9a0d428
PDF
Publication page64e0cb9a765daed0e8c1156a9ecf27e2f80ac7c70b1f734709c5ee24fa432094
Manifest025fa491c1224be664d32a5ec97507ceaf9371c8949b17d97e59b0d2928fddc4

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
SignatureWrSCJJCxM8xs8Kq7fn6pvndVON38uM9OlZyv6JqURTSlAilhxt6lM8lEG9FOb4X9dX2aFMecTKIFSPFxt9FxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:56.243353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079325
observed 64e0cb9a765daed0e8c1156a9ecf27e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.223759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079325/manifest.json
observed 025fa491c1224be664d32a5ec97507ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.206006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079325/publication.md
observed 7b2e512e2f8679d8f75947739767b5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.186090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079325/publication.txt
observed b694ec539574e473ad4ad003eeb63929...
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.