OpenTechnical

OT-2026-000098904

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000098904) never changes.

Identity and time

Publication numberOT-2026-000098904 · never reused
Internal UUID01a0aea2-8286-77a6-9376-1fc21fc3f54d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098904
StatusPUBLIC

Content hashes

Canonical text8d7a3b8d192259dcf1d52d35fb598dc1d0b26b36f9bc40501aa61212c40c74e7
Markdowne37ca42f4162b868e81ac84a41bb34693233520fed24cbd50dac120dbd32c23b
PDF
Publication pagee8309148f3eca06683de4d11398d828a3d1c179395054ee7604f8a398a9ef113
Manifest089d1aa61af62638d203d67ae01595ad4c6386c7bfa83da4f3a6dc98c9048558

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
SignatureWUPwgRXiM8CbtlNx7tbQKzmzvyKOB/6XMoq3b/eB+y4idkCxsHA90hXlj4iyi7/O905zIb7DPjTUeWMkrGzFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.707701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098904
observed e8309148f3eca06683de4d11398d828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.691138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098904/manifest.json
observed 089d1aa61af62638d203d67ae01595ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.673463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098904/publication.md
observed e37ca42f4162b868e81ac84a41bb3469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.658082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098904/publication.txt
observed 8d7a3b8d192259dcf1d52d35fb598dc1...
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.