OpenTechnical

OT-2026-000099299

Publication integrity record

Four cup vacuum gripper, four 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-2026-000099299) never changes.

Identity and time

Publication numberOT-2026-000099299 · never reused
Internal UUID01a0aea2-8289-7454-86c9-e4c1d0a3f961 · 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-2026-000099299
StatusPUBLIC

Content hashes

Canonical textc7747d8ea50520f3e57ebf902d78012ae0044c7c6601fd8bd416501c977e52d8
Markdowna3eda1642d54361c834c0f30ab6b3d37bc249aad110b546e7c9bf1ac42081315
PDF
Publication page2892a3da968f57bc86e16f9f448b30a639da5951ab41d35aa5ba6c5b4622eac8
Manifest9fae5f55a39a4e9f907bf62ed469519e5f5017c40116c8b13aa7743646045f6d

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
SignatureymlKNcokBDnD3jSq1KDqz9q+2pk/gSsI5A/S/FfbnJJntmNtVfuM5NQt0dqCKq5fFOTLHducyt1BNOa7WS2iDg==
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

2026-09-17T09:30:45.725553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099299
observed 2892a3da968f57bc86e16f9f448b30a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.709150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099299/manifest.json
observed 9fae5f55a39a4e9f907bf62ed469519e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.690377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099299/publication.md
observed a3eda1642d54361c834c0f30ab6b3d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.671955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099299/publication.txt
observed c7747d8ea50520f3e57ebf902d78012a...
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.