OpenTechnical

OT-2026-000103658

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000103658) never changes.

Identity and time

Publication numberOT-2026-000103658 · never reused
Internal UUID01a0aea4-e462-7049-b999-02679b9375cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103658
StatusPUBLIC

Content hashes

Canonical text7f0aa06cfade3d6c75a38bc77448e3da2371c9fea973b134c168601daec29e62
Markdown57f1b52b81deb0214b1540e231d6eceb60c7e6ac485618b54eae635d7d2c886e
PDF
Publication page62463e5b9cc2438beb58e309f7355f89ca6bdd7bd0852ea8c3bb44946636e423
Manifest015d543beb8af4cf23a5c27ce8e0599d191e1c2289c5529776f5941bddf5e3b7

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
Signature95D8f6tL2yN1msF3utrE6gljVu8Mqf/c0VPOdXk7nKB/8gZvDJdDVmA67kclk9nmmdAyor6Rnx3TOD08To1aDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:27.537354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103658
observed 62463e5b9cc2438beb58e309f7355f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.519112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103658/manifest.json
observed 015d543beb8af4cf23a5c27ce8e0599d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.500226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103658/publication.md
observed 57f1b52b81deb0214b1540e231d6eceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.482341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103658/publication.txt
observed 7f0aa06cfade3d6c75a38bc77448e3da...
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.