OpenTechnical

OT-2026-000091412

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000091412) never changes.

Identity and time

Publication numberOT-2026-000091412 · never reused
Internal UUID01a0ae9c-f16d-71cf-b514-0e8c7d6e5adf · 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-2026-000091412
StatusPUBLIC

Content hashes

Canonical text6594134d7f04ec5a4b68e30d2441550d93e5a9aff0abf9e3f7047653b6988274
Markdown56fe8f99558f799ce5670be1c5af7441978e6b07c7b7bddbed5e21551f29e35e
PDF
Publication page4aada5daec4fcced1382cd5a02be0683610eb6d13fe1c915f5aaabc02f86d02b
Manifestec3c23df94cb7d3d6d51241c6e897a62c524cb69d56a3289567acedb7a5eeb8d

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
SignatureU2xenCrTbxUyFMHbGYkXVpEO3LGPgjROrk4h+0oKGdj9p17a/ETdyQgPgMCQn18PixlmYHlFgBWma9DxywxJDA==
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

2026-09-17T09:43:38.800180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091412
observed 4aada5daec4fcced1382cd5a02be0683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.783113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091412/manifest.json
observed ec3c23df94cb7d3d6d51241c6e897a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.763293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091412/publication.md
observed 56fe8f99558f799ce5670be1c5af7441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.743328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091412/publication.txt
observed 6594134d7f04ec5a4b68e30d2441550d...
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.