OpenTechnical

OT-2026-000076596

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000076596) never changes.

Identity and time

Publication numberOT-2026-000076596 · never reused
Internal UUID01a0ae94-b06e-79a4-9eb2-b45a499bbc48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076596
StatusPUBLIC

Content hashes

Canonical texte143e2cc43a7e53cfa91ce974d67375ec14f812bf8e206a08c6573cfb1371b50
Markdownd91942366f664f041b20123bdd2972cdf6403a1b02884bbbee874308d7d8a19c
PDF
Publication page3c820a6624660d029da62c9714cc7c3ec5f889bb9dce1daa246fded4a7d56daf
Manifestda163a585a2323443a1a11cc15ce6b34d662bb2e62e055be157fd37853b7cf6c

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
Signatureybj4Ye3XqUzrqAJsA6ZNN8JlXDPQy+7iNlqVcpUPKuJAs32W69IARAoKOQTQzo2zcWYP4w62LVVpssASH9KLCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:19.132631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076596
observed 3c820a6624660d029da62c9714cc7c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.113656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076596/manifest.json
observed da163a585a2323443a1a11cc15ce6b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.095218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076596/publication.md
observed d91942366f664f041b20123bdd2972cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.074824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076596/publication.txt
observed e143e2cc43a7e53cfa91ce974d67375e...
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.