OpenTechnical

OT-2026-000011152

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000011152) never changes.

Identity and time

Publication numberOT-2026-000011152 · never reused
Internal UUID01a0ae6c-540f-7ad7-964c-31e4967e7c68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011152
StatusPUBLIC

Content hashes

Canonical textc4be68eb582d3bdfa162b34a0c31dab7caec82df6b5a51021b4c1e6f2591415d
Markdown750d24339f33552b038c21dd18dc11594ac49d06bf2a8f6e5a26e7cb2764c9e6
PDF
Publication pagefc3f4e8ee90512dcc039b7a3a74630aceab4156f5429dbd77cbed5900cd747e5
Manifest92f69575b35fe977214535ca50ef3c9d588294fd3b1b0d098800c3719c3a80ea

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
SignatureL9e/cJ9wID61LtuNVrpXCpg5EpieLe1Jdfb32E3BSgET4kzPcH47XBkH5IZD2vQCka3nW+kL3qfambaGFc1nAg==
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

2026-09-17T12:14:04.910767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011152
observed fc3f4e8ee90512dcc039b7a3a74630ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:04.889543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011152/manifest.json
observed 92f69575b35fe977214535ca50ef3c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:04.867851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011152/publication.md
observed 750d24339f33552b038c21dd18dc1159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:04.848020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011152/publication.txt
observed c4be68eb582d3bdfa162b34a0c31dab7...
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.