OpenTechnical

OT-2026-000010174

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000010174) never changes.

Identity and time

Publication numberOT-2026-000010174 · never reused
Internal UUID01a0ae6b-cb7a-783f-b96b-72785a726b52 · 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-2026-000010174
StatusPUBLIC

Content hashes

Canonical text75b89aa5e7fc05e89bbd54c38fa6827d8417c57f246e811f58828b6da1a300ad
Markdownf8878f5f67265924f8d0951aa56b9bff57d54f36135d652f4d5fd35bcff18d6f
PDF
Publication pagef5f36a96c3972c45414ac8754a015c3148d854ae0561c37c32de32911fd54cfb
Manifest8e02cb3021bea3dcc1a801567ae6aed11aa879177fe21997422d452e205b2ae2

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
SignatureHlFYkwvLp30GXtOx7fT7cfeIIRyz4AdA8Wna/T7ttIf+hy+djt0hC6Y0/Or1Yfdmf0+74Vc35IDtfLQQ56H9Ag==
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

2026-09-17T12:16:17.154649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010174
observed f5f36a96c3972c45414ac8754a015c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.135876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010174/manifest.json
observed 8e02cb3021bea3dcc1a801567ae6aed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.117360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010174/publication.md
observed f8878f5f67265924f8d0951aa56b9bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.099038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010174/publication.txt
observed 75b89aa5e7fc05e89bbd54c38fa6827d...
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.