OpenTechnical

OT-2026-000012717

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000012717) never changes.

Identity and time

Publication numberOT-2026-000012717 · never reused
Internal UUID01a0ae6d-5562-7ba3-87bb-d1829de2fdde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012717
StatusPUBLIC

Content hashes

Canonical text6f2308f7475a579eb89f190e959f134db43431e6778afef090bd7500453d03b0
Markdown853a19dbaae138b939029b0a4c2ae98ab0f67b728a1b30892753b24664f052be
PDF
Publication pagef43f3cd19cfc5eb4fa656c40b43c76cd18a0963790aaad227e789b35703028f6
Manifest7dd92b76e719af8f26eb6d72c3b613ccf4f306311d3293af7d716cf305d42aec

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
SignatureXheLDwiEhnQv3Er4TvsxwXsfcH/JA3njzTjm3zecmRttf6Hr5zUKlz1heTjOCP3XJkD9AMKF9s2hg5Xy/PDZDw==
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

2026-09-17T12:10:22.908242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012717
observed f43f3cd19cfc5eb4fa656c40b43c76cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.890150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012717/manifest.json
observed 7dd92b76e719af8f26eb6d72c3b613cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.869233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012717/publication.md
observed 853a19dbaae138b939029b0a4c2ae98a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.851199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012717/publication.txt
observed 6f2308f7475a579eb89f190e959f134d...
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.