OpenTechnical

OT-2026-000032150

Publication integrity record

Foam pad vacuum gripper, single stage ejector, pulsed blow-off after set-down

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-2026-000032150) never changes.

Identity and time

Publication numberOT-2026-000032150 · never reused
Internal UUID01a0ae74-f7a5-7960-be17-7de841e70ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032150
StatusPUBLIC

Content hashes

Canonical text630b4342b4eee72485700e6ff4e0c1f52b8740d1e604b774fa5ec32a23fbaad2
Markdowne1758459205271db03069af87b9b2d4db69bb5957a97955f3f0df63613d46ea2
PDF
Publication page9f00e13ab3f08053e9b72787b62388c015314b53e664ebb9c3d8866b99cfc856
Manifest102d2cc4e7ed186763aaad25ea668cd88941abdd759e4999fe7aec62858eaea8

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
Signature3wUxDH43NvjLaLSjEsNzJaohl7wS0nOtK0Fhov/VVy8y+OoI/jsq9ZN+0jj5fgP6/7GA/Yvb3whbMRJ/zRcbAQ==
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

2026-09-17T11:34:28.394503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032150
observed 9f00e13ab3f08053e9b72787b62388c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.376968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032150/manifest.json
observed 102d2cc4e7ed186763aaad25ea668cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.359622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032150/publication.md
observed e1758459205271db03069af87b9b2d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.342973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032150/publication.txt
observed 630b4342b4eee72485700e6ff4e0c1f5...
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.