OpenTechnical

OT-2026-000026705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026705) never changes.

Identity and time

Publication numberOT-2026-000026705 · never reused
Internal UUID01a0ae71-f4ab-75a3-bda5-3be4bf35b82f · 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-2026-000026705
StatusPUBLIC

Content hashes

Canonical text2af184b3b1d24451f262dc8ff20e5910b08d88ba2e621782aebe3a8858b4e103
Markdownbe9025fbde11abe9700d74fa33c70f5da29852cd01be6fd86d7ae45f5ab5bb38
PDF
Publication pagebd8eba10e2ee856e57d41f8527d03cce4d36f8b4428bfb22af1508316993981f
Manifesta7f6e11442d47f5f7daa250317f5115243bd73c8c214390824650f09d1c2f520

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
Signaturenw/b6eGruZzDg0/e7KubfyHK7EWZGdj3GbhApXUTBuNQC6LvGV7p4wUwDTHY78Tck/vyRorLa0+0iMVsfOD5Cw==
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

2026-09-17T11:45:47.949979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026705
observed bd8eba10e2ee856e57d41f8527d03cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.931548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026705/manifest.json
observed a7f6e11442d47f5f7daa250317f51152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.913784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026705/publication.md
observed be9025fbde11abe9700d74fa33c70f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.895890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026705/publication.txt
observed 2af184b3b1d24451f262dc8ff20e5910...
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.