OpenTechnical

OT-2026-000029714

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029714) never changes.

Identity and time

Publication numberOT-2026-000029714 · never reused
Internal UUID01a0ae73-5e23-74f4-93dc-4cdae1866050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029714
StatusPUBLIC

Content hashes

Canonical text289ace0d03167450170b9720bbb843feb8793e88abd64e27b10a41f28050065e
Markdownb0f57dc420cd11b07bfbd87d29fc786f78259824f589d88d3b275c6be188774d
PDF
Publication page7a6c43f3c98067c36a7bfa3b92351255d4516bf71b3ea94b24b6f2a6cf0d0817
Manifest0d0a117af3104c3172e31f8886ef9d69743b8f8c4d1c873335cbd4df21756c60

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
SignatureCN6ySpYxIRQ7zmT09X7GXcRCPV6/IbGv4NepF/zjjXbkgISy4rpmMwtEEVp01ZqBY91K2fvRmS8cAGNF2Cz/CQ==
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

2026-09-17T11:39:26.586364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029714
observed 7a6c43f3c98067c36a7bfa3b92351255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.551466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029714/manifest.json
observed 0d0a117af3104c3172e31f8886ef9d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.535408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029714/publication.md
observed b0f57dc420cd11b07bfbd87d29fc786f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.518373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029714/publication.txt
observed 289ace0d03167450170b9720bbb843fe...
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.