OpenTechnical

OT-2026-000103976

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000103976) never changes.

Identity and time

Publication numberOT-2026-000103976 · never reused
Internal UUID01a0aea5-15e8-7f24-b6e1-7ba764fa46a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103976
StatusPUBLIC

Content hashes

Canonical text4acada3fb6865c1d9702107010c3f2580ec9298c4204f3ccde85f4f850123424
Markdowne6e976936d2878c7a7514c8c304ed992f7fe88b6dd418ab3497ff4cd19ab29b4
PDF
Publication page331741e88e7adec5f73fff0aab38ed6a85c2f1ce4fcefe7c0f7c97a12f997774
Manifestd591dd203b670bbbef71b5e05c69113bc81964ddf155373bdaca34adf97e4a99

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
Signature3GPY4EdpEd+97Ja9bWYXhqHLfD34V7d7exsx+3J057r47hB5SY3RI6BCAyxZ6ci0lGO9XBTkSY5mZx8va+F7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:58.735567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103976
observed 331741e88e7adec5f73fff0aab38ed6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.714673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103976/manifest.json
observed d591dd203b670bbbef71b5e05c69113b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.698074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103976/publication.md
observed e6e976936d2878c7a7514c8c304ed992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.681417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103976/publication.txt
observed 4acada3fb6865c1d9702107010c3f258...
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.