OpenTechnical

OT-2026-000013121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000013121) never changes.

Identity and time

Publication numberOT-2026-000013121 · never reused
Internal UUID01a0ae6d-6fc8-74ab-bc32-979675f0dd7c · 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-2026-000013121
StatusPUBLIC

Content hashes

Canonical text558ce3ce1118f8ce378be39fdb8d70235f777a80a449dc10b4f57e9670c87346
Markdownd4e97e52b67d83c3558741905bd2bc1ccb42dad48aed4c795f5828c5ca10d647
PDF
Publication page94e9fa93298b3369a810ff7001e0ab4dd8a40f501cd77cd4ae40e600347ff0a9
Manifest57dd0e3cb353df7ca1dcd28d88cfa47a3b6b6d945fbbfefa78d4e20fd05c4a2d

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
SignaturepC57uKVuwCrISBA0M6fwHCvaWHfdCxccx00inSmEChAxmldTZrwXYbJPr9PXc6KgeDPk26Z6U2/VUeLhLqN+BQ==
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

2026-09-17T12:09:24.580019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013121
observed 94e9fa93298b3369a810ff7001e0ab4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.561839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013121/manifest.json
observed 57dd0e3cb353df7ca1dcd28d88cfa47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.544029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013121/publication.md
observed d4e97e52b67d83c3558741905bd2bc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.527081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013121/publication.txt
observed 558ce3ce1118f8ce378be39fdb8d7023...
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.