OpenTechnical

OT-2026-000099131

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000099131) never changes.

Identity and time

Publication numberOT-2026-000099131 · never reused
Internal UUID01a0aea2-8288-710d-a760-df3ff0b471c9 · 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-2026-000099131
StatusPUBLIC

Content hashes

Canonical textabb3dc9b5c01bd12c6f2372f90d07be41cef6bc1c24339cf9de1297b16a28c04
Markdown8e48efa66454eff8594d498ac5e05f14f56a4486f63121d6a0036433ee67d4b8
PDF
Publication pagec905fa3ae35c08ab5f9319da5d930637729b55643f600b53332a7ac193f2c869
Manifestcb7a8cc7d0ce1bf2ea808d8457e21f80c59e3a09e5fae51182adec262297ec9a

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
Signature5q+Z6YSgXwzQGmW2QJ5ZzMoE+x881b3AARm9sJzx92lSgM/ms9PE4D+nYTWQ8NjP8HyssW1wkgwe1eTGErwoBQ==
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

2026-09-17T09:30:29.862160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099131
observed c905fa3ae35c08ab5f9319da5d930637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.832262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099131/manifest.json
observed cb7a8cc7d0ce1bf2ea808d8457e21f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.807550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099131/publication.md
observed 8e48efa66454eff8594d498ac5e05f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.790098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099131/publication.txt
observed abb3dc9b5c01bd12c6f2372f90d07be4...
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.