OpenTechnical

OT-2026-000013859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000013859) never changes.

Identity and time

Publication numberOT-2026-000013859 · never reused
Internal UUID01a0ae6d-8de9-733f-915a-7966912e985f · 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-2026-000013859
StatusPUBLIC

Content hashes

Canonical texte6aaefa14ca25e81fd1ca4d81a486c146427031c634801b07d525a62473f830b
Markdownb549a22a01efa6011d7440e63428924f44276d0092728de26d6a50c49efa936b
PDF
Publication page797ce575a116edcca9b43f079041bdb6f4e0cd0344eb2dec1f892e3967b6deb0
Manifest9747124e7e9a7def4349eb02bdfb0a047c4eaec4802eca154557d4a3bacabfc4

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
SignaturesP3l2mUZb/hqac/0lwGWIxzrgNh0Tc3wlGZ5iA1iuBQuOgxEerE4syyMpHDZZ3XI+RhBYIdRhyfpMnesV3AfDg==
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

2026-09-17T12:08:58.246367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013859
observed 797ce575a116edcca9b43f079041bdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.228592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013859/manifest.json
observed 9747124e7e9a7def4349eb02bdfb0a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.208965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013859/publication.md
observed b549a22a01efa6011d7440e63428924f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.189352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013859/publication.txt
observed e6aaefa14ca25e81fd1ca4d81a486c14...
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.