OpenTechnical

OT-2026-000030007

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000030007) never changes.

Identity and time

Publication numberOT-2026-000030007 · never reused
Internal UUID01a0ae73-ac49-7143-8080-64cbddab00ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030007
StatusPUBLIC

Content hashes

Canonical text8017850d95c5277849de9de6b04d440ecc4852f22fdd5eb2b673f703363eb710
Markdowneb22b8c5c213a0bbd15d086d3e69a1031a48b1fafeadfecdaba7f7db85b492ae
PDF
Publication page131159e3de503f6ab4a166c59716c8d0744882dd1b7291848b36892715a417c6
Manifest18d0f12c302469a4a1c5efcd305cc2a8dc35a0a53b0b0859cd14cc5cd5df9b5a

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
Signature5wHgJ8ayKOSPeEahosJ0nl/5/7XgIqqcbFPUUMKbxaaw/N/9WVrUuXW31thGd8xh8q3/VhT4KcDjnLueeOuOBQ==
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

2026-09-17T11:38:44.247302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030007
observed 131159e3de503f6ab4a166c59716c8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.229333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030007/manifest.json
observed 18d0f12c302469a4a1c5efcd305cc2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.209481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030007/publication.md
observed eb22b8c5c213a0bbd15d086d3e69a103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.190896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030007/publication.txt
observed 8017850d95c5277849de9de6b04d440e...
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.