OpenTechnical

OT-2026-000009580

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000009580) never changes.

Identity and time

Publication numberOT-2026-000009580 · never reused
Internal UUID01a0ae6b-7563-7477-85c1-4d1ad30ffd8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009580
StatusPUBLIC

Content hashes

Canonical text181ac51b732983307fa8c3e313754ccfd4e222b536bb27585a94a377c709e372
Markdown076707fdb6034df0c22d9661928d5168c4f3d855455b312feb4ffe84dcd3b61f
PDF
Publication page635d0939482e8ec868e9dec9fbb584f7a86200fba13cf3d4a80cdbf9e13313fb
Manifest6c5ebd73486edf93fdf8819f7105bbc205a96af1085d59b44f265426988fd62e

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
SignaturebnuG4xkRAXlY/H5mPkB5ztsWGxtnj5ffTTIdReA30yr+6PZFzE+uFGXBjqilqGX9lPxBj5t6MkQgQWfwAsmDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:01.159505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009580
observed 635d0939482e8ec868e9dec9fbb584f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.141529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009580/manifest.json
observed 6c5ebd73486edf93fdf8819f7105bbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.121221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009580/publication.md
observed 076707fdb6034df0c22d9661928d5168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.101398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009580/publication.txt
observed 181ac51b732983307fa8c3e313754ccf...
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.