OpenTechnical

OT-2026-000033018

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000033018) never changes.

Identity and time

Publication numberOT-2026-000033018 · never reused
Internal UUID01a0ae75-4843-707c-b9f1-bcd215126d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033018
StatusPUBLIC

Content hashes

Canonical text6c200ad056e5241a1f4d9beeeaaf9a3d93c4bdb4a374d89700180938e25fcf9b
Markdown45ee54d5639f58df63835e510d32ea9e16d00410651b5b24a7c4b6f6e1aa8271
PDF
Publication page9c04369138b3f69c20a269707ff021e099846e96ba89ca46da0bc163bc018b43
Manifest4ae83442d79f09aef8c5d394c246adaa207d8a409b785b11360eb5ee7f246996

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
SignaturelcaiRGhSTXLuDqGrQ8zCe6oghKA8Xyy3ORZaz0jr+rVJhZ3FwUG/7pDRGPPqMBN8kwn22TNo83K9PHsxoSF5Bw==
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

2026-09-17T11:32:38.634887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033018
observed 9c04369138b3f69c20a269707ff021e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.605265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033018/manifest.json
observed 4ae83442d79f09aef8c5d394c246adaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.569475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033018/publication.md
observed 45ee54d5639f58df63835e510d32ea9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.546471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033018/publication.txt
observed 6c200ad056e5241a1f4d9beeeaaf9a3d...
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.