OpenTechnical

OT-2026-000057089

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000057089) never changes.

Identity and time

Publication numberOT-2026-000057089 · never reused
Internal UUID01a0ae87-d5b8-7ebd-a27d-6804dd867585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057089
StatusPUBLIC

Content hashes

Canonical text87317139a895718f39e0e158568d94ee064aa8db4db2c4d697806c8a67f0f906
Markdownebdfa20345069e230765e5a679b4a3076b183ea44f60e9ca13145d13ea049ddf
PDF
Publication page64dc75e2d75f075d3d927f3032c9313439b994c69b694f94bd47e3d12b77c2a9
Manifest967499bb2688a0d3b7b1b3873a81bae4e49c23d2a87dee9a6afc2c47c749d336

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
SignaturegD6bi+sQjjMBy6DT7sc8SMES11aFThHl3bE8edzut0+YVszy4lN+NvQJdUddW3kfQ5njCuG//198cL9HwEo6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:40.311040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057089
observed 64dc75e2d75f075d3d927f3032c93134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.291067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057089/manifest.json
observed 967499bb2688a0d3b7b1b3873a81bae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.268040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057089/publication.md
observed ebdfa20345069e230765e5a679b4a307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.247878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057089/publication.txt
observed 87317139a895718f39e0e158568d94ee...
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.