OpenTechnical

OT-2026-000017652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017652) never changes.

Identity and time

Publication numberOT-2026-000017652 · never reused
Internal UUID01a0ae6e-96f9-7739-8d42-eec1048c19d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017652
StatusPUBLIC

Content hashes

Canonical text36901fba3e91250e6a332fa9a178da20c78fc43bf6c0c7ce691c7c5a015f8e61
Markdown0bfa199b5d2dd8b994c7cd8d03e42136b031f16058bb3a4a866fd33659e96451
PDF
Publication pagee43ca959df8c4a37561745e4aa6c94800c0cc90e676bd30e0eb43a2e4628f3df
Manifesta0e092f80b002357d52f39d500128a21d931250ce1f457fb5e7a15f34a5042b5

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
SignatureAdMNaKiMNklwABKXp03ZIQ7O3gtyuuYF7X5uzLVoTgv5OlpV1BA+ikQmVEIN+MNEtB7fXizltwOXbceBUsHCAg==
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

2026-09-17T12:01:28.158504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017652
observed e43ca959df8c4a37561745e4aa6c9480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.141221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017652/manifest.json
observed a0e092f80b002357d52f39d500128a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.123749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017652/publication.md
observed 0bfa199b5d2dd8b994c7cd8d03e42136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.106745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017652/publication.txt
observed 36901fba3e91250e6a332fa9a178da20...
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.