OpenTechnical

OT-2026-000014160

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000014160) never changes.

Identity and time

Publication numberOT-2026-000014160 · never reused
Internal UUID01a0ae6d-b278-727d-873b-511955798a2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014160
StatusPUBLIC

Content hashes

Canonical textc38472603486f29a85f43f36182405910bac69375f8c25b51b0206b543df34ae
Markdowndfcea665de472b7b16ada7b34b6d436c915ac85d4c1d3bb586c06e571bf09eb2
PDF
Publication page54d0f923c4b9336209d9ebdeac984b0508041ec6028b22219f0fb225a1785dc3
Manifestebba18ef20cd627c6e0c8f734a6da1215b6a2045ce47b4f644a551e4abf6db97

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
SignatureblIjrS249QRCtiKESe1EabSgICFQWIotPwuEWoYAB0pRbP4aDNirv9Pszj2nd5CfPYQM8h9FjhEXfO6oIiSgDg==
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

2026-09-17T12:07:14.672873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014160
observed 54d0f923c4b9336209d9ebdeac984b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.652743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014160/manifest.json
observed ebba18ef20cd627c6e0c8f734a6da121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.634678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014160/publication.md
observed dfcea665de472b7b16ada7b34b6d436c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.615174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014160/publication.txt
observed c38472603486f29a85f43f3618240591...
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.