OpenTechnical

OT-2026-000042175

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000042175) never changes.

Identity and time

Publication numberOT-2026-000042175 · never reused
Internal UUID01a0ae7a-5d72-79f8-b706-b25660ceb0fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042175
StatusPUBLIC

Content hashes

Canonical textbd2ef8b6027acc77a5c1b17212a24537ddba1eecf0274324f77d31c4dc02867f
Markdown5e013b2ae176ebad33b7e99b230cd8b29eeed8e7beb414560a0abbdf8c95d0a5
PDF
Publication paged09130bbef88662ecd5b00a709d1cd110f645406ac7ced6bc8dc75ff9c2640fd
Manifest5978e21ffa7537d5149c9e7a85af7a93f35f6ef8b072c6cd94f0ac01f935477e

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
Signature2Izu3OWKz0geBMtBZDqhklvEOM+SMvw2fickJEEsKUN3NBMQ0JHeEoV26sf2qik9nqnA4T03PRKru5GG7YuLAw==
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

2026-09-17T11:15:49.861464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042175
observed d09130bbef88662ecd5b00a709d1cd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.842500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042175/manifest.json
observed 5978e21ffa7537d5149c9e7a85af7a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.824799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042175/publication.md
observed 5e013b2ae176ebad33b7e99b230cd8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.804372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042175/publication.txt
observed bd2ef8b6027acc77a5c1b17212a24537...
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.