OpenTechnical

OT-2026-000048518

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000048518) never changes.

Identity and time

Publication numberOT-2026-000048518 · never reused
Internal UUID01a0ae80-4de6-7a68-83fa-a2457f74b435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048518
StatusPUBLIC

Content hashes

Canonical text34ed62323bfd9f011f85d4c9a10f42463db47f98c07e9c0166e953983e9c72e2
Markdown6f5e0ced789b6f74f79934b1c5b18fe7406262e4021259a3bd2ff69923531833
PDF
Publication page07c6ec79a5605bb57c5838e0f2ddee6d355b7a07141f1e87796324080bb8e4a6
Manifest21fd5d354352c00a1590f393018a87a0cd8092875143c06f2bd6ff4acd277188

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
SignaturezJgiqDF4AZm1W+YygCyh0sJru2wxnl4SS2OVFkkbN4hpDKCIXsWc/+/s5aVOQTSJmVG/AzD5R7J87EwJ+fgUDQ==
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

2026-09-17T11:05:11.891205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048518
observed 07c6ec79a5605bb57c5838e0f2ddee6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.873515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048518/manifest.json
observed 21fd5d354352c00a1590f393018a87a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.854975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048518/publication.md
observed 6f5e0ced789b6f74f79934b1c5b18fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.835889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048518/publication.txt
observed 34ed62323bfd9f011f85d4c9a10f4246...
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.