OpenTechnical

OT-2026-000013384

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000013384) never changes.

Identity and time

Publication numberOT-2026-000013384 · never reused
Internal UUID01a0ae6d-6fca-74cf-a8ce-392fb3b9354e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013384
StatusPUBLIC

Content hashes

Canonical textd32fa2acd6f3c42fde55c2e4225bbea626f40abe4676b8d94ae24679ee30cf19
Markdown7c1ad2ea21b6ad59e984b23eecff7a08442d79402310b3632cce66120d8a00ee
PDF
Publication pagef551729ab3ac3fd9123a69b11ae8c6e9c2c7f9701a24f40167f2458bce773fc5
Manifestc994ad3f53b998cfbd74e1a4dc8aabb716804d9b9b9d37b5adacd107fa11ae6d

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
Signature4/e3sApjUoczU4BKTAE4iHwUl0sVHir5+VGgXSDXYIy+nLfw44O8ClXuXdY6zbCPrVvIBWkclLWDIL6hFR6hCg==
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

2026-09-17T12:09:51.174178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013384
observed f551729ab3ac3fd9123a69b11ae8c6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.155185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013384/manifest.json
observed c994ad3f53b998cfbd74e1a4dc8aabb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.135093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013384/publication.md
observed 7c1ad2ea21b6ad59e984b23eecff7a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.116278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013384/publication.txt
observed d32fa2acd6f3c42fde55c2e4225bbea6...
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.