OpenTechnical

OT-2026-000061130

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061130) never changes.

Identity and time

Publication numberOT-2026-000061130 · never reused
Internal UUID01a0ae8b-137e-7e52-8962-e1cb68780890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061130
StatusPUBLIC

Content hashes

Canonical text85bf73f13409b7add381d6fee8b6ee19c74406c10096ff62148c48d8f3b6ddb0
Markdown4ca67898f7b7d2be19a652cc1909d45c9652fef913bf92170030b638a586887f
PDF
Publication pagea7dd7f4d2801b50d11f905eb640961f3175a31f63ecd1f5fef06192e135299f5
Manifestf95311d2a907cad1e119dec95efcc8aeb71c8c814669eb9b86b541add46ef505

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
SignaturejZoDSxyfMWMkRiYR1rLhxl2rsRNnMKtz4tuZngwuPTSBSBdlzgQYTckiBXQyR4jcAX6fcYDwmKF55NNsx49PCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:30.421295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061130
observed a7dd7f4d2801b50d11f905eb640961f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.403078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061130/manifest.json
observed f95311d2a907cad1e119dec95efcc8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.386104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061130/publication.md
observed 4ca67898f7b7d2be19a652cc1909d45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.370592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061130/publication.txt
observed 85bf73f13409b7add381d6fee8b6ee19...
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.