OpenTechnical

OT-2026-000029395

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000029395) never changes.

Identity and time

Publication numberOT-2026-000029395 · never reused
Internal UUID01a0ae73-5e20-7484-8f64-4dcedfab10bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029395
StatusPUBLIC

Content hashes

Canonical text9c81023dd1f806f1ef02fa239951303b4fb866c401ea1f3eae98db8416d587ce
Markdown3a8d6fb6e1b5159dbc5f2e422fbae4f58d99e0e4cb12858087f023d6e1c17f27
PDF
Publication page1646a1094c54d2bb6c412af5981c692d502d3147f7889cffea0ded3fb5d40dbf
Manifestddfd8aaec9f2878e773d38d700352c9588e7a69929150e6520f54be641f92117

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
Signature010UHY4DmMkJ8PkzPbu2GXJyUv+FQcPxHNRiHv272/FtlSVx8YB2aNVz2dxgkhO5ACSQYY6f5N2BI63DH265Dg==
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

2026-09-17T11:38:57.848697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029395
observed 1646a1094c54d2bb6c412af5981c692d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.831055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029395/manifest.json
observed ddfd8aaec9f2878e773d38d700352c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.814486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029395/publication.md
observed 3a8d6fb6e1b5159dbc5f2e422fbae4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.796756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029395/publication.txt
observed 9c81023dd1f806f1ef02fa239951303b...
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.