OpenTechnical

OT-2026-000091346

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000091346) never changes.

Identity and time

Publication numberOT-2026-000091346 · never reused
Internal UUID01a0ae9c-f16c-7cea-afd1-2ef7bd822fd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091346
StatusPUBLIC

Content hashes

Canonical textac4a298a28bd2628a29ecd26d73285f71f40481c027add0348e0a32da9e2995e
Markdownc5e1c980673b0bfef2f0232759ef779bea8b9e5ad118e51b69a309c00f16596b
PDF
Publication pagec9e67e09467547c0492c60d3f6f367f34dff648f18fbe17aa2a7969eef7c08f5
Manifest357108c561bb190aff3980b4ed5ac055e611d48e6a457de8d68adf3e9751ad0c

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
SignaturetHz2TLqo+mnOUNWWCbGAbMCO/4E15jgYnPKuW6K29OmLz/wzNOA7pgyW/12P1DGsiTaW+8wR6xX4tV/I3jMeCA==
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

2026-09-17T09:43:33.400878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091346
observed c9e67e09467547c0492c60d3f6f367f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.383986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091346/manifest.json
observed 357108c561bb190aff3980b4ed5ac055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.366274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091346/publication.md
observed c5e1c980673b0bfef2f0232759ef779b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.349514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091346/publication.txt
observed ac4a298a28bd2628a29ecd26d73285f7...
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.