OpenTechnical

OT-2026-000029290

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000029290) never changes.

Identity and time

Publication numberOT-2026-000029290 · never reused
Internal UUID01a0ae73-2aa1-7e6f-9fef-adec9ec68627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029290
StatusPUBLIC

Content hashes

Canonical text6caf7520299fe7bd2098bf5a67d480b0871d6aaf861bc3b342c3739b27a4db5c
Markdown22a934b949b519aa4d3eda8821ad273cb1df07f2601db2ae0112c908c7c85042
PDF
Publication page4d248bc505704575668f9e34b82b0dabcfd418302decca104106b5fb12bed2bb
Manifesteb96ad9b091d43b15d2be267cf3f5ef76a5e2796d93706bb84a7846257a6b7ee

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
SignatureIGj4IvWH5dzFcIGlq1ZqupA75MZg1jHhIsK66HX8+mzWaTzugFXewgrmbHEjlese6uVHtARYjS2eZKsV7rMBCA==
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

2026-09-17T11:39:55.624979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029290
observed 4d248bc505704575668f9e34b82b0dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.607438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029290/manifest.json
observed eb96ad9b091d43b15d2be267cf3f5ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.589368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029290/publication.md
observed 22a934b949b519aa4d3eda8821ad273c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.570846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029290/publication.txt
observed 6caf7520299fe7bd2098bf5a67d480b0...
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.