OpenTechnical

OT-2026-000023950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000023950) never changes.

Identity and time

Publication numberOT-2026-000023950 · never reused
Internal UUID01a0ae70-aed6-76eb-b58e-0509a5188a26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023950
StatusPUBLIC

Content hashes

Canonical textf199959daa2f8a8ced232818e1cbc4e188c203e35ec2bd181c64e9623145c945
Markdownecd4f5eb1cb314a0286ff4a2d0840970011a1afe434e72406f49cb656553c20d
PDF
Publication pageaa992f9cbdce41d08f2757f9c20b3bc0692d5c9454ab54fe003e95762021e3d8
Manifeste3fed751f849b4b37c87cb3feb898da779c2fe0e9ec4b2b9d8b1416cb1a50829

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
SignatureicNQZtDwBHgIv2hRM/g05YtMFgUJrax58L4OA8h12H6NRzb5QnF2lV51hB4PYKzmNkDdVrP7VtkmvoKWubvYCQ==
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

2026-09-17T11:50:41.684628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023950
observed aa992f9cbdce41d08f2757f9c20b3bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.641419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023950/manifest.json
observed e3fed751f849b4b37c87cb3feb898da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.606415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023950/publication.md
observed ecd4f5eb1cb314a0286ff4a2d0840970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.563705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023950/publication.txt
observed f199959daa2f8a8ced232818e1cbc4e1...
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.