OpenTechnical

OT-2026-000025143

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025143) never changes.

Identity and time

Publication numberOT-2026-000025143 · never reused
Internal UUID01a0ae71-5fa5-7863-8497-f76e70ffba97 · 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-2026-000025143
StatusPUBLIC

Content hashes

Canonical text658f316d1ebdd3cd2bab61fc8e828ab809ebb193f37e2eac00d1dc354e6c9efb
Markdownc40fffb5077baf07b02c83fd2871eed7d018682a931b324cf42f038d08427d18
PDF
Publication page72415b9c73eda1a29ace0bd3bbd287b7bfa844904a0dcfb19116c6ac02f8dff4
Manifest109b78ba720637d1c236421bffbedd7918841ee891c7b049e8e0b9ba802e4687

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
Signature950tNiUmkCZOnKQ+BArJj70isB54+9jMlVAHVp0qdPXx7tAV0nByp0ve/QiqbV4zLOylzGwwMK4kZI+W/AOyDg==
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

2026-09-17T11:47:01.620558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025143
observed 72415b9c73eda1a29ace0bd3bbd287b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.602081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025143/manifest.json
observed 109b78ba720637d1c236421bffbedd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.582557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025143/publication.md
observed c40fffb5077baf07b02c83fd2871eed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.563675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025143/publication.txt
observed 658f316d1ebdd3cd2bab61fc8e828ab8...
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.