OpenTechnical

OT-2026-000097074

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000097074) never changes.

Identity and time

Publication numberOT-2026-000097074 · never reused
Internal UUID01a0aea1-01c9-734b-9605-1055cd01f0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097074
StatusPUBLIC

Content hashes

Canonical text113fd97fa196542d59b9aa4f16845eeab922308e9d480412521147b57a008180
Markdownf58c6a913571c5ba59b9bd36a75f9b9d5fd69a3ad304128b1188c8cd0f338541
PDF
Publication page6ed70c2f79157d3d1bde6e4293f276774e0d5ff13199c29a977022c9224f5e37
Manifestf98a454fa2698de961f4e57274d64bed1eb63339c64f6d73c60f5fc3b336b6d7

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
SignatureI8NilHj3fK9Wsjukk/cYZILRKSJzRkryH3jt/DOAHrzxlD7Xy3KpqSAbamYahBR9/pXDuDLCwyENjBhQ6Z4RDw==
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

2026-09-17T09:10:37.426984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097074
observed 6ed70c2f79157d3d1bde6e4293f27677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:37.410848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097074/manifest.json
observed f98a454fa2698de961f4e57274d64bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:37.394597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097074/publication.md
observed f58c6a913571c5ba59b9bd36a75f9b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:37.378222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097074/publication.txt
observed 113fd97fa196542d59b9aa4f16845eea...
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.