OpenTechnical

OT-2026-000102528

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102528) never changes.

Identity and time

Publication numberOT-2026-000102528 · never reused
Internal UUID01a0aea4-858a-7c61-a590-ce414f541c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102528
StatusPUBLIC

Content hashes

Canonical texta8fcb7f1539868b3cde8113a7d455141486da2254cae0018d86d1e99746c62b7
Markdown6f480a4556c7fc7bd56fb33450c8372e937799f3afef3cab0d5716fdd24fd8c1
PDF
Publication pagec2dfd68d7b7cde5b50d2393bfc5331aed5ef71a0755e7436d557a7ef16010c08
Manifest2fee4e940d98d37a7e7efa903996d0340ced2714c4d4eaa990a721b5cd9a8d61

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
SignatureYXP4/kz/VvKDTUAfiZmF+lx+9pozYxIAWVhd3EitpPcGewg8wCqu7qdBnavqGRsMEy4FUuMeiD4B0yrI4H0WDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:59.899843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102528
observed c2dfd68d7b7cde5b50d2393bfc5331ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.881402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102528/manifest.json
observed 2fee4e940d98d37a7e7efa903996d034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.863417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102528/publication.md
observed 6f480a4556c7fc7bd56fb33450c8372e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.843744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102528/publication.txt
observed a8fcb7f1539868b3cde8113a7d455141...
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.