OpenTechnical

OT-2026-000071428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071428) never changes.

Identity and time

Publication numberOT-2026-000071428 · never reused
Internal UUID01a0ae91-e0ed-7734-b943-072a456431f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071428
StatusPUBLIC

Content hashes

Canonical textbe684646ec8033a11cc46ff9468151cf3a85ffaf9d0e7de8562d25448cdac2bb
Markdown8f028403968e54aca7b689f02148a69e12395cd2a133c2540f17f5e8d602b80c
PDF
Publication page8c6474841862fcf35b4d97d46fcc5579b847de12d88be6689220009b3cf0d94f
Manifestae38b8212f4d8e13f02be1ed648bb6212a8990df44e0dc7943156603e1069514

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
SignaturehKqi+ikkxzNZbOdzEHn+1BtHDwMieH2rokzbBSqCEexJuTzSJMRRNNn0/kUiin0+e9HD5CiDWkFdmTz86ATUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:03.942158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071428
observed 8c6474841862fcf35b4d97d46fcc5579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.922514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071428/manifest.json
observed ae38b8212f4d8e13f02be1ed648bb621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.907259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071428/publication.md
observed 8f028403968e54aca7b689f02148a69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.889991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071428/publication.txt
observed be684646ec8033a11cc46ff9468151cf...
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.