OpenTechnical

OT-2026-000023069

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000023069) never changes.

Identity and time

Publication numberOT-2026-000023069 · never reused
Internal UUID01a0ae70-46ed-72af-9000-39359d4b77c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023069
StatusPUBLIC

Content hashes

Canonical text0a427e59bb5c0644a52fdca866f6767969c0b50e21ea92114b2084630779de9c
Markdownf0af7c332d21091545c3ab93b04d4caa2809c8d1b3c04e8b4cba52b80359dc17
PDF
Publication page9d5bb0ba8a7566b12833ad220cbfb60fda410c44ce0c04e251e76b4e7891e7e6
Manifeste5955e22cf3fb12ecd59dfb8fbeeb0a78c0144e4e4abefa8539969c21e2af903

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
SignatureFQPU9hnVbrzvZ7kJ2MliItrhjtlprM31oC533gz8x4vswFUUbP6rjA2PXDFXFIwjGHEWX72Lxkz747kg1MDQBw==
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

2026-09-17T11:52:41.620642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023069
observed 9d5bb0ba8a7566b12833ad220cbfb60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.602709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023069/manifest.json
observed e5955e22cf3fb12ecd59dfb8fbeeb0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.582818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023069/publication.md
observed f0af7c332d21091545c3ab93b04d4caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.563063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023069/publication.txt
observed 0a427e59bb5c0644a52fdca866f67679...
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.