OpenTechnical

OT-2026-000013389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000013389) never changes.

Identity and time

Publication numberOT-2026-000013389 · never reused
Internal UUID01a0ae6d-6fca-7f6f-b616-7c64f81b5806 · 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-2026-000013389
StatusPUBLIC

Content hashes

Canonical textb0eaff60c10762525d6014095d9bf3633f8a441e218fbf2593b3d4fde6ed1394
Markdown825642536abd87a577784bf747521c50ad947e2ae727781e324c6923156846f4
PDF
Publication page77e668f8b7ccbc4822162045567f884bda3d9dde74d0a071a91d04cb5c0b165f
Manifest8813de96e460d54be6b0cfb2016b90ec104761795840912dc2870964c55dc3e9

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
SignaturehHRQm4UIgedXf1SMKzuiDVSpLhPaIhik0y27JUg/7T7ESCDb7Zw9pkssYwd4537rqURq1xDo8cVW+vNQa8gRDw==
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

2026-09-17T12:09:51.580932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013389
observed 77e668f8b7ccbc4822162045567f884b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.563490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013389/manifest.json
observed 8813de96e460d54be6b0cfb2016b90ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.543951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013389/publication.md
observed 825642536abd87a577784bf747521c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.526385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013389/publication.txt
observed b0eaff60c10762525d6014095d9bf363...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent