OpenTechnical

OT-2026-000045580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000045580) never changes.

Identity and time

Publication numberOT-2026-000045580 · never reused
Internal UUID01a0ae7d-8f02-7806-8a83-c2ae10cefca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045580
StatusPUBLIC

Content hashes

Canonical textbe7baece3c57d7aa31b8c95b9c013d72928e56812f4cdb52e7b505493f3d14c2
Markdown2693bbfed8263ece748c4b7c936c23ded8fdbfb9e5b1a8b127d519824a662eac
PDF
Publication page991f4ce2ac4787f9a674442b3f00bdbfe971a5e1c2ebe88fbca60bcc6bb4a096
Manifest749aaff44086cc57b4de887386d0966e9d8090b3ba163ed240599c813c32f759

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
SignatureiS+T57xbJgexEBxtP0B/D3UIOg2FObjHrButgUOz9pj33WdCTmN9vaPxDDS9U0F5gT9S5Sr9v//33jMFLBPDAA==
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

2026-09-17T11:09:20.687836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045580
observed 991f4ce2ac4787f9a674442b3f00bdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.668839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045580/manifest.json
observed 749aaff44086cc57b4de887386d0966e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.650965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045580/publication.md
observed 2693bbfed8263ece748c4b7c936c23de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.630867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045580/publication.txt
observed be7baece3c57d7aa31b8c95b9c013d72...
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.