OpenTechnical

OT-2026-000032355

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000032355) never changes.

Identity and time

Publication numberOT-2026-000032355 · never reused
Internal UUID01a0ae75-106e-7091-8e9b-f201a6c302bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032355
StatusPUBLIC

Content hashes

Canonical text6e19beb4bc3d8246d0fd1ffc08b768a180a4cd2933060eb7b5fed441671bf9b7
Markdown4e36d37adfc6488d1fdf0df61976a9c3e4cb9c19ae4d1d454813fb3eacaebe2c
PDF
Publication paged673f6c1f0d8257e3819a3bd32cf6d74aab90ce4847f04260437585ca6d08061
Manifest7c11df14ee47aa62c16f74091d3f72c5cd10728f03b34cc92aafd55256e6aee2

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
SignatureHls3J7QAcqDRIOYVv3L7QPNP1/tsAUM6IBq12yeIBQSv7VX3Piw8lHrfiZFZ6RwCUNpLhL5+IRh5D1nT4rOuDw==
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

2026-09-17T11:33:43.904879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032355
observed d673f6c1f0d8257e3819a3bd32cf6d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.885513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032355/manifest.json
observed 7c11df14ee47aa62c16f74091d3f72c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.855428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032355/publication.md
observed 4e36d37adfc6488d1fdf0df61976a9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.835605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032355/publication.txt
observed 6e19beb4bc3d8246d0fd1ffc08b768a1...
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.