OpenTechnical

OT-2026-000104413

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000104413) never changes.

Identity and time

Publication numberOT-2026-000104413 · never reused
Internal UUID01a0aea5-3421-7e4c-b8c5-04e566fe7043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104413
StatusPUBLIC

Content hashes

Canonical textbf090a3d71eb46d00e5d819d6782735ecd8766af1206f4d75a03d181f6cfc6a5
Markdown67fdd492a56b9fba3757b11ba58392899b91b9055cf4d3050ab97a6bc805e6d3
PDF
Publication page752642af7f74ac0445bd34bcef1299880fd054677e1e322222e2a82bf4e2b4ad
Manifest300bc7052eb24870fa9c94f3d74a488ab2dea16cc6b5c80159a7f331d78f671f

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
SignatureKWkM+bMcDpbHJrLOw9bKlJ6iM69VpvtDPgXul4lAI/l2hP4daW2gQ8hEIlv5nkf+JpJhugbQElZUTOvasieICg==
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

2026-09-17T09:21:41.096340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104413
observed 752642af7f74ac0445bd34bcef129988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.078939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104413/manifest.json
observed 300bc7052eb24870fa9c94f3d74a488a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.061763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104413/publication.md
observed 67fdd492a56b9fba3757b11ba5839289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.045113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104413/publication.txt
observed bf090a3d71eb46d00e5d819d6782735e...
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.