OpenTechnical

OT-2026-000013658

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000013658) never changes.

Identity and time

Publication numberOT-2026-000013658 · never reused
Internal UUID01a0ae6d-8de8-7cc0-ac45-096b3c7772ab · 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-2026-000013658
StatusPUBLIC

Content hashes

Canonical textb34bf0b4c65fc15b3093d6980916c79d6e810d07d8acfb8fcb4491e304f6ba2e
Markdownd68d9619da51a6235b122f0b96ebfda5c0b1ce8777bf6cb79203d4cb666434bd
PDF
Publication pagec4bd6b48e860c5c352da612681719af08c637d287700da65c75ba1815e08c9fd
Manifest014d8d4b51544c7260de4bacce62196f84f2de01f18e4010c6d67c460c33e8e6

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
SignaturecHY/6i4d+W4kPcbeZvgjBx8tk+EmwcIPjKlCM2xekrIaHz1cx5qyc2tZkUHUu3l38KdFGcYMAPMxrGc2qVwAAQ==
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

2026-09-17T12:08:35.829992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013658
observed c4bd6b48e860c5c352da612681719af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.808511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013658/manifest.json
observed 014d8d4b51544c7260de4bacce62196f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.787121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013658/publication.md
observed d68d9619da51a6235b122f0b96ebfda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.767037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013658/publication.txt
observed b34bf0b4c65fc15b3093d6980916c79d...
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.