OpenTechnical

OT-2026-000025319

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025319) never changes.

Identity and time

Publication numberOT-2026-000025319 · never reused
Internal UUID01a0ae71-5fa7-78c2-b530-0c904efc8ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025319
StatusPUBLIC

Content hashes

Canonical textc7584596a3e3935ed2f5324177e2c16629fd6c27362c0402a730b088709de009
Markdown1cc1fd63106777a3d69f10b415c4369395a223df30168399c91603a412e06fec
PDF
Publication page7b86e1d96c88b5711cf2147b76c19cd86e31dba00303a15fd79b5bd224352d78
Manifestbf2f5e941bd4037d593486c6ca81cdbe5c09fef9f5e8c6904aa3327a98fa1d19

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
SignatureXh4lgjY1RO+uqglUyNnbLU9AmlbBEQl5r8IQCDdecBWWBP57XcRNoj5USF9X0Ojfr0KiQVmgVUVbqwdI3EzBDQ==
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

2026-09-17T11:47:20.475599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025319
observed 7b86e1d96c88b5711cf2147b76c19cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.457893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025319/manifest.json
observed bf2f5e941bd4037d593486c6ca81cdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.439374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025319/publication.md
observed 1cc1fd63106777a3d69f10b415c43693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.421085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025319/publication.txt
observed c7584596a3e3935ed2f5324177e2c166...
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.