OpenTechnical

OT-2026-000012350

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000012350) never changes.

Identity and time

Publication numberOT-2026-000012350 · never reused
Internal UUID01a0ae6d-39f6-77de-a6d7-4384e2ebcaa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012350
StatusPUBLIC

Content hashes

Canonical texte44b786f38ece769f7e8d28039e8201d2cddf745a1e8fe063f60d03af2c9d87a
Markdown848ed464fffccc30ce242540da085b776f6ebef9db5528705dbc8c459213b521
PDF
Publication page68d10a12f2a8008e09370999776671daed30c3829b208cab55b3809ed2bead16
Manifest16a69c87c03f080ec347d33379b12294213abb3b709169dd8144d28996900184

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
SignatureqDrPxjQs26JW6wIhIalphpVQU88THVY1zjmv3k/yGTjewniNLqZVkssbmQcOz9ekWu5WDPldOpp4wEf+EHvyCA==
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

2026-09-17T12:11:49.925651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012350
observed 68d10a12f2a8008e09370999776671da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.907684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012350/manifest.json
observed 16a69c87c03f080ec347d33379b12294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.889791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012350/publication.md
observed 848ed464fffccc30ce242540da085b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.873184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012350/publication.txt
observed e44b786f38ece769f7e8d28039e8201d...
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.