OpenTechnical

OT-2026-000026412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000026412) never changes.

Identity and time

Publication numberOT-2026-000026412 · never reused
Internal UUID01a0ae71-f4a7-78ea-80ae-085ff5f4be64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026412
StatusPUBLIC

Content hashes

Canonical text1ab273752c0b74c277464e9b0ee6a9f9566a977097d34faacfaf672032c7dbb2
Markdowna83b735da95470502e884a4dac27fdbbe523ca7a9c764f82586677c47a6c814b
PDF
Publication page7d0a4bcb57720e41930ce26e1b1c1a02b5530790c621f9fcde894d520a0f0c93
Manifestb7dcb920170a57ec6c36a4044b2302f89c823583a1713cc8f2fe302a107a05d5

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
Signaturev5LmSHCQDJlOGf2Ny1rvIwuIlnQGr2Mm5v0L6/+rmF+kUzSvD4YEa/EVCGFaGK34uxiMtAu/L8DT3cfu2e7QBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:24.066834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026412
observed 7d0a4bcb57720e41930ce26e1b1c1a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.051001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026412/manifest.json
observed b7dcb920170a57ec6c36a4044b2302f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.033615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026412/publication.md
observed a83b735da95470502e884a4dac27fdbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.016516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026412/publication.txt
observed 1ab273752c0b74c277464e9b0ee6a9f9...
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.