OpenTechnical

OT-2026-000095236

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000095236) never changes.

Identity and time

Publication numberOT-2026-000095236 · never reused
Internal UUID01a0ae9f-8f70-7609-9381-2447a4140de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095236
StatusPUBLIC

Content hashes

Canonical text024a3af1c0bb7f7caf27cbbc163d3b9397966650682ab11ae2a339d0fb5e0579
Markdownb89aabf7e62a2559924331f17823788ac5234ceee2616571b1dd423ecde441cc
PDF
Publication page1e440906e8872509b313e16fea8c9cbd98c34f9bc047ed6de29c6f91a3cc13e1
Manifest7090c290febf869cf3d882308c1f74c24d004013375fe6def6565fc85da6738d

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
Signature31m2mzvAn48CJWDZgPpG6MNvW+vPmNdFIKE1oyv2OzHXAzqhwfiqXOGvxmBbib7d9v/qVhZy/iiHQh/u5XdeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:33.719435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095236
observed 1e440906e8872509b313e16fea8c9cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.700181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095236/manifest.json
observed 7090c290febf869cf3d882308c1f74c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.683676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095236/publication.md
observed b89aabf7e62a2559924331f17823788a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.665229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095236/publication.txt
observed 024a3af1c0bb7f7caf27cbbc163d3b93...
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.