OpenTechnical

OT-2026-000010677

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, vented 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-2026-000010677) never changes.

Identity and time

Publication numberOT-2026-000010677 · never reused
Internal UUID01a0ae6c-0ee8-7385-88ea-57f6cd9c2142 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010677
StatusPUBLIC

Content hashes

Canonical text5ac258e82d016c4df2b268ad8d7f1bc1951f488000d54717169fd2ca9b45a97c
Markdown3e4b6e36a7e3f71f5e98d4ed12effd10b54a71e78572f40f218393435d6c683a
PDF
Publication page293be021c9bf98a4c04f60c551fe00dc5b2ecddc468d494b237258955a328953
Manifestf2b5df58724e8b32eb6865ff29d42598674edb673b79a5f9d1bb66a705168bda

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
Signature6c4RptTlf0AfeJFic7EGwu7vnRZHDcI7V/EG65Cr69COdwZh/PCTxI8pCCzwzyAJX7qFOW5VsU50k7Tr/i1eCA==
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

2026-09-17T12:14:53.270008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010677
observed 293be021c9bf98a4c04f60c551fe00dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.245434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010677/manifest.json
observed f2b5df58724e8b32eb6865ff29d42598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.227233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010677/publication.md
observed 3e4b6e36a7e3f71f5e98d4ed12effd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.201286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010677/publication.txt
observed 5ac258e82d016c4df2b268ad8d7f1bc1...
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.