OpenTechnical

OT-2026-000029180

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000029180) never changes.

Identity and time

Publication numberOT-2026-000029180 · never reused
Internal UUID01a0ae73-2aa0-7be6-9ccd-c54a3d2a1962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029180
StatusPUBLIC

Content hashes

Canonical textbe83fe55f96f0eeacbb54b0fb0fe0d145388ba8be3ca967869707940b0aa1d39
Markdowndd194315cbce0abd36fe021300373aaef1bfde4d3354295322e70ac9d06d26e2
PDF
Publication page7f1d7288afb2484fa1d5e939c44b0d5b0b1d3c67cdd0b0ceb952a6f7349ff5e5
Manifest8b489bbb882926d29ce0da3f0542151c4986999a85c7752ae88b6d279464d2a7

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
SignatureVFp5T+GUChykjMWx1IksNbPE0uUZAX1v8zXZniMygJ/TmXtE3F8Mos+odT0yZEDyE/6cut5Xg48UjuA5M6ELDQ==
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

2026-09-17T11:39:40.805963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029180
observed 7f1d7288afb2484fa1d5e939c44b0d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.789156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029180/manifest.json
observed 8b489bbb882926d29ce0da3f0542151c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.771508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029180/publication.md
observed dd194315cbce0abd36fe021300373aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.755311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029180/publication.txt
observed be83fe55f96f0eeacbb54b0fb0fe0d14...
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.