OpenTechnical

OT-2026-000038512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000038512) never changes.

Identity and time

Publication numberOT-2026-000038512 · never reused
Internal UUID01a0ae78-2d53-712e-9234-54e5cba3dbb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038512
StatusPUBLIC

Content hashes

Canonical textd93cdeec97250431cf8b0a5a391fc322826e14e354d554f706e3057fc4d712a0
Markdownc91f6dbc6c6cea974d5ca3da6299729f2a8ae8ac95fc825e49db7d5827a28053
PDF
Publication pagea11ff4949bc24aed5958d6aec6a91f81825ae2f008c3ee944660bba1f2f057ba
Manifest8c3e31de5518159e162fd755eda1c4798668ce593272fb2ab07fe962427c172c

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
Signature3ZiNVO4cgsUc7MxzwLIxcVlF+BEwNG9PHQIRTLCqyC3Ejl8kbz598szo79nlgr5rsxKG3aG6lySgo+qnRAafCw==
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

2026-09-17T11:22:45.314688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038512
observed a11ff4949bc24aed5958d6aec6a91f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.297691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038512/manifest.json
observed 8c3e31de5518159e162fd755eda1c479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.278711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038512/publication.md
observed c91f6dbc6c6cea974d5ca3da6299729f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.260831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038512/publication.txt
observed d93cdeec97250431cf8b0a5a391fc322...
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.