OpenTechnical

OT-2026-000010229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000010229) never changes.

Identity and time

Publication numberOT-2026-000010229 · never reused
Internal UUID01a0ae6b-cb7b-7a44-8286-74922b461ac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010229
StatusPUBLIC

Content hashes

Canonical text6936c2ed2eab995bad84a4d7ebc5c3d81f19fdb3fbab275d2aeb6873d3268fcf
Markdown66c0bbd3bf276796d56efa116d7715da81ecf2e49bb030a361a62ef20fee5229
PDF
Publication pagee1ee7736379a234d5f6be799acd42ad81c2d1814fb90329f4153d15b5d7d36bd
Manifest573513ffbd3ae8d76c2198528b070c68ffc2b5059396b81adc0481b418efc879

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
SignaturehYkFzxb+sM5s8q7Bhl6FME+3lTA8PSwmWT1ACvu3I0InngQB2mL4DykrO7V7R435r4nU61UGXauNfSd3EFvZBg==
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

2026-09-17T12:16:21.534956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010229
observed e1ee7736379a234d5f6be799acd42ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.515712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010229/manifest.json
observed 573513ffbd3ae8d76c2198528b070c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.496046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010229/publication.md
observed 66c0bbd3bf276796d56efa116d7715da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.466972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010229/publication.txt
observed 6936c2ed2eab995bad84a4d7ebc5c3d8...
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.