OpenTechnical

OT-2026-000015568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000015568) never changes.

Identity and time

Publication numberOT-2026-000015568 · never reused
Internal UUID01a0ae6d-ef4b-7de8-b7fa-6464370c509e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015568
StatusPUBLIC

Content hashes

Canonical textd75a4ee63bfd5402b15250d2e1b5510ffc5baeaf3ea17a92504e1a08ffb19a2d
Markdown50fd2cea99cb3aa5397373977b5bb285e7460624cf10a7c6c0a86835fbec4cc5
PDF
Publication page9bf01911df5443b618032f9a89a532073e2825fd5d5ce85720f203ddea3524f1
Manifest8ece53ce1aa3df0312c09eb720accc894d08ee08cd915285822009ee82ff148c

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
SignatureXwsHEKDpG4Lp76hrQ83aCLuh2HkK38iyvnZ/SXB/+ZUjXrz6m2fUCpiyQLp53YVnfl6RRKb841a6D98W51rWBA==
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

2026-09-17T12:06:21.564951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015568
observed 9bf01911df5443b618032f9a89a53207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.545687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015568/manifest.json
observed 8ece53ce1aa3df0312c09eb720accc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.526279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015568/publication.md
observed 50fd2cea99cb3aa5397373977b5bb285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.507209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015568/publication.txt
observed d75a4ee63bfd5402b15250d2e1b5510f...
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.