OpenTechnical

OT-2026-000008127

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, vented 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-2026-000008127) never changes.

Identity and time

Publication numberOT-2026-000008127 · never reused
Internal UUID01a0ae6a-908c-766d-9ba0-847ab8527cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008127
StatusPUBLIC

Content hashes

Canonical text98a56729fc75c35fa34ca47315cc7265e549194ce155704709540303e670e64b
Markdown08d6bf81fe1620e717a9eaba12842dd313cb49ddb970856e492fb4025370c4a4
PDF
Publication page6fa9c863ca6c9ac2400e42fce78ceabf779d90bbcc2395779184a5c04f2e8d87
Manifestac5f5574fc0ae31531c61cb5ae6af94da715ad942dd74418f26fa5a86738e582

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
SignaturebqD3YrkzEHKC0FLUScc99pMuJ5PsmPCgOXhhjJH3Bn5G0LDxj8KJcNQQvMYopdN/CRzE+GpihxHU3zTBUEz4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.020109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008127
observed 6fa9c863ca6c9ac2400e42fce78ceabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.999147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008127/manifest.json
observed ac5f5574fc0ae31531c61cb5ae6af94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.981718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008127/publication.md
observed 08d6bf81fe1620e717a9eaba12842dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.962944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008127/publication.txt
observed 98a56729fc75c35fa34ca47315cc7265...
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.