OpenTechnical

OT-2026-000093578

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000093578) never changes.

Identity and time

Publication numberOT-2026-000093578 · never reused
Internal UUID01a0ae9e-508b-7893-9762-e57daa82907c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093578
StatusPUBLIC

Content hashes

Canonical texte8d1218cd012a302d058af6a3539e737eaba44e2482e637136f4ebc96d74af1d
Markdownbb2c4251eb4b2373754e659553491b04150aa2930774f558739e05a6909faec4
PDF
Publication page0f02fc1e61a423ca6430e65815f4956e0bd0383123cc42e73f9c1ff147eff20f
Manifest200b229de86a34adfccb1e25442222814b04b7bfc6d43ce9d5a541eb865972c9

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
Signature9svNOFHT6CY5lIQ9whSu/OZSEm5Z0LOm9DODswN9rDQ/nwMhbToGVb+rUnjhA99nqKoJZ8dmZsX4E1HHMzd9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:36.718751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093578
observed 0f02fc1e61a423ca6430e65815f4956e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.698709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093578/manifest.json
observed 200b229de86a34adfccb1e2544222281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.682195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093578/publication.md
observed bb2c4251eb4b2373754e659553491b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.664575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093578/publication.txt
observed e8d1218cd012a302d058af6a3539e737...
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.