OpenTechnical

OT-2026-000051074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000051074) never changes.

Identity and time

Publication numberOT-2026-000051074 · never reused
Internal UUID01a0ae82-c7b5-73cb-b6bf-ec88b7338df3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051074
StatusPUBLIC

Content hashes

Canonical text130759a3d22a0edfca6fcd55f36f22457a2f754ac5fb079d5663a0d96f5ddddf
Markdown9b47a7c0e862c587230249c7b149aa6f27e58c4dee118dd5e9dbde5ebd31e581
PDF
Publication pagef36ce2cfd0876226ff619a3355801628dc9e27a7951b5c1a831b6fd23ca4b2cd
Manifest5f099a83111e0e6f8af806042d19083960b604027f08a7ca688d2262674c5ba1

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
SignatureWZ3RT4aGFCMzh2YEFbB5UZxslLM4AnzQahf66LE0bNc7sr5bKNvwFGajCM1UQorebvFXqVnrd77l8khunpGzCw==
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

2026-09-17T11:01:00.385375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051074
observed f36ce2cfd0876226ff619a3355801628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.365620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051074/manifest.json
observed 5f099a83111e0e6f8af806042d190839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.343791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051074/publication.md
observed 9b47a7c0e862c587230249c7b149aa6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.324892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051074/publication.txt
observed 130759a3d22a0edfca6fcd55f36f2245...
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.