OpenTechnical

OT-2026-000102872

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102872) never changes.

Identity and time

Publication numberOT-2026-000102872 · never reused
Internal UUID01a0aea4-be3c-77d8-a2b9-cce9b54b497b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102872
StatusPUBLIC

Content hashes

Canonical textcba7123197c0f77fa869b9cd6be74495475f2035d42662686821274ec1b9c4c7
Markdown81047b0d465377028fb844e1ab62b76bb2feef01076e036ff9acd0e8046b3cf8
PDF
Publication pagedc3d4de9ac5bfbc7e22296f4854de52ad0b427229d4b444d7aa6db08d670eda4
Manifestd5a62184071f4f7beeecfe9fd99288e40fa20a542c167e06793fdb4b681a1aab

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
Signature23AZi4gVTzD0CkZZJhDyqzdcLI6iaOdxwGyKJPpvGw04FN4C4PSGZDWtHFKbKZZKGo9Ux0Ngtf4pemJ8j4RxBA==
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

2026-09-17T09:22:48.807269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102872
observed dc3d4de9ac5bfbc7e22296f4854de52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.791668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102872/manifest.json
observed d5a62184071f4f7beeecfe9fd99288e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.776320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102872/publication.md
observed 81047b0d465377028fb844e1ab62b76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.759342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102872/publication.txt
observed cba7123197c0f77fa869b9cd6be74495...
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.