OpenTechnical

OT-2026-000027878

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000027878) never changes.

Identity and time

Publication numberOT-2026-000027878 · never reused
Internal UUID01a0ae72-a4a5-7fc8-8c42-da6f15cf4b8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027878
StatusPUBLIC

Content hashes

Canonical text0e27a7ec5713756d9509eb5929ed07f157241b9c9908b7d882483ed6e85209e2
Markdown1cd73993f1344649e675af978f2be6a83456de2436712a8a5f944b774a49b50a
PDF
Publication pagef6d8aca478f53ca1b0e2daf6eddc39fc9a6c40c9c3320896d373be518f2ab7a9
Manifestc9956977dc8ccd730d0f16938b7278c58ca1d9b13b7687925fe3d7afbd6a6e3e

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
SignaturepU4fi+qB1yR6HdRFCDqa0FSENyIVNpP+vB4b4TzxOQg7a5IvM7neHK0PfrTsJp47sOM6ybhwPENqKscXJgZkCQ==
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

2026-09-17T11:42:02.337213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027878
observed f6d8aca478f53ca1b0e2daf6eddc39fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.310559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027878/manifest.json
observed c9956977dc8ccd730d0f16938b7278c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.289865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027878/publication.md
observed 1cd73993f1344649e675af978f2be6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.271312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027878/publication.txt
observed 0e27a7ec5713756d9509eb5929ed07f1...
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.