OpenTechnical

OT-2026-000050391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000050391) never changes.

Identity and time

Publication numberOT-2026-000050391 · never reused
Internal UUID01a0ae82-5c47-75c8-b63b-bb30c286d9f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050391
StatusPUBLIC

Content hashes

Canonical textbee3cd9db3b301ade95d98c81c6de833925e0e79b79fe3ff53effb0b4e1151e3
Markdownd129160a418a37b449a9a3d35c4244754cc6300252678f688bbf8ab88569fe7b
PDF
Publication pagedef89ce6dc5e218ef9eb249fa38822f22133c41fa2243fc1276f3fef48f13e10
Manifest0ec2ab44ffa823a8236239e03f1fcac52a35091342c565d8461e299a805e57fe

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
Signature352CnxcnEcunPqKBXr/xbMHZfylpmDrPDXK/AEeYIia5Zl1y1kln/kcoPB7zRcTjyR6Mo8KKqUtVNnKEgV4kBg==
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

2026-09-17T11:01:25.770956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050391
observed def89ce6dc5e218ef9eb249fa38822f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.754621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050391/manifest.json
observed 0ec2ab44ffa823a8236239e03f1fcac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.737659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050391/publication.md
observed d129160a418a37b449a9a3d35c424475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.720168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050391/publication.txt
observed bee3cd9db3b301ade95d98c81c6de833...
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.