OpenTechnical

OT-2026-000047782

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047782) never changes.

Identity and time

Publication numberOT-2026-000047782 · never reused
Internal UUID01a0ae7f-c420-7148-a097-ca615dd3bc14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047782
StatusPUBLIC

Content hashes

Canonical text018ec40a089cf39d4f7b0c3e4afd2f39cce81c8f6bb2931df2cc2005b4859fa7
Markdown037f0f28c6ce10fc6a8208b1c91c74ed37afa9a3c87d6e62f8ca1c14e8194db9
PDF
Publication page5a97dcd219e2d42d429de5a79111abb03d683103273934465fa1db56eba1c936
Manifestf82dda553612e84370fc18a8f981db724ea44955c3e50f78c90c92f0470bbcae

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
Signature7yjK1LcnZMobg2LM0Z/NSWaKUxy1a2hgubW0u3Rk3NQOkkyGOhIzFh7sFnZ6v5m9zHnpZyfimWzRXf/2hHvbCw==
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

2026-09-17T11:05:40.655694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047782
observed 5a97dcd219e2d42d429de5a79111abb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.638853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047782/manifest.json
observed f82dda553612e84370fc18a8f981db72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.621889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047782/publication.md
observed 037f0f28c6ce10fc6a8208b1c91c74ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.604298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047782/publication.txt
observed 018ec40a089cf39d4f7b0c3e4afd2f39...
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.