OpenTechnical

OT-2026-000013738

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000013738) never changes.

Identity and time

Publication numberOT-2026-000013738 · never reused
Internal UUID01a0ae6d-8de9-7fde-9007-048b97278910 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013738
StatusPUBLIC

Content hashes

Canonical texte468d505eacb28d1050bf3f5adb8ddbf9f2e213f0732426f997102c25180c540
Markdownd6d20a8aebe065160cc09b9c5445105e992f3f37751e4b1d118d78d46760ec13
PDF
Publication page0aead52a9052d7a4033d2fe881eebe8c64d194b398db5b20f5c16a557fcadb79
Manifest8d65d05782c2151594b309d49d5de5bd1237319f9a4c218677c755cf990e9aab

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
SignatureFwfa3RKL/3ofqcLzhksIChDMf/mK0oyXmSd2yIasYw9CeVwv0FbI8BTPMtn+jVbTcJC4l7Xo1IzUs9H0NjlEDQ==
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

2026-09-17T12:08:42.342680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013738
observed 0aead52a9052d7a4033d2fe881eebe8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.324049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013738/manifest.json
observed 8d65d05782c2151594b309d49d5de5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.305715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013738/publication.md
observed d6d20a8aebe065160cc09b9c5445105e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.285921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013738/publication.txt
observed e468d505eacb28d1050bf3f5adb8ddbf...
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.