OpenTechnical

OT-2026-000029236

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000029236) never changes.

Identity and time

Publication numberOT-2026-000029236 · never reused
Internal UUID01a0ae73-2aa1-77ef-886e-5937f620769c · 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-2026-000029236
StatusPUBLIC

Content hashes

Canonical text370c9cbd54e5b01807b7cde543dbb9fe032a995c654570bed4df65f6f919ff8e
Markdownfc52aee6eda7c482190d6e2472046dab5ad12e85eb4234dc38692f56c5a84de1
PDF
Publication page63e2143ca99253eb40095ea876263745cde8b4cebab46d55e22a6c18388cbc67
Manifest549d2d9ae1d28ee7ad5bbe852061755c4a272c0d0d020abdabb8b981181a34fa

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
Signaturek8vg1gvB6n4b3M71FmyjAHUlbhhXDt7FeEUtmVmT4oXDytOyv79bwMZl+E0CMuLEObqEUZU+kZCzwQnJx1qWDg==
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

2026-09-17T11:39:51.640076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029236
observed 63e2143ca99253eb40095ea876263745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.617806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029236/manifest.json
observed 549d2d9ae1d28ee7ad5bbe852061755c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.592630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029236/publication.md
observed fc52aee6eda7c482190d6e2472046dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.574889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029236/publication.txt
observed 370c9cbd54e5b01807b7cde543dbb9fe...
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.