OpenTechnical

OT-2026-000058208

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000058208) never changes.

Identity and time

Publication numberOT-2026-000058208 · never reused
Internal UUID01a0ae88-6edb-7333-98cf-905e5a5b3b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058208
StatusPUBLIC

Content hashes

Canonical text1e7298eb3c462a6bdb6b64c9ebfc94c488ec933b4f568f0f75579c7ac38d3ef6
Markdownda65f9db65e481eaf4f7155eeb782dad7fec01bee505d7576c5ecbc736a215dd
PDF
Publication pagea96e09be18938055a3c78a66c76a0c211368e8aac7f7177b05924a7b1175ff5b
Manifestebd3bf1bc3d74e7584965103d1c45d8d10e00b7a93c63a0047b6b3487c241845

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
SignatureBW+kqU7K8ohbXRwzkJHLUhRgM82eepf9mzVktlryEfsMwj4tnKLWw2oEARLEsO+dMBXxeohYsVXcpkJ3TAt/Cg==
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

2026-09-17T10:47:54.996149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058208
observed a96e09be18938055a3c78a66c76a0c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.980082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058208/manifest.json
observed ebd3bf1bc3d74e7584965103d1c45d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.963271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058208/publication.md
observed da65f9db65e481eaf4f7155eeb782dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.945817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058208/publication.txt
observed 1e7298eb3c462a6bdb6b64c9ebfc94c4...
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.