OpenTechnical

OT-2026-000029791

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000029791) never changes.

Identity and time

Publication numberOT-2026-000029791 · never reused
Internal UUID01a0ae73-5e24-7eab-8303-58faf59ffb68 · 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-2026-000029791
StatusPUBLIC

Content hashes

Canonical textdb6c4709e89daa8a55b0b3206d909997941b2432491fec75fec64768503f50cc
Markdown3d1bd29237cd6aac27c3f35d3d69268f9757a0d1704700ed3b42824a1027a4ce
PDF
Publication page5209dc51a72bf73fc528f6ce633510c69f2ab59e420dc503b7438d010623e670
Manifest133262ef78e5dccd46b6830c63fb8948cd633a7b2d68bfec3d38ccf0a00a6d45

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
SignatureoljaowDifvKyzPA0G5FxUaUXhw0J+Z5L2L2ahVmxKYsnv7DWo4Ll3mHZo7E8EZJjwqm9KTIBvwiWM1bWTm3IAg==
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

2026-09-17T11:39:33.618384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029791
observed 5209dc51a72bf73fc528f6ce633510c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.600855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029791/manifest.json
observed 133262ef78e5dccd46b6830c63fb8948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.582986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029791/publication.md
observed 3d1bd29237cd6aac27c3f35d3d69268f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.563571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029791/publication.txt
observed db6c4709e89daa8a55b0b3206d909997...
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.