OpenTechnical

OT-2026-000093913

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093913) never changes.

Identity and time

Publication numberOT-2026-000093913 · never reused
Internal UUID01a0ae9e-92c8-7aed-bc0c-3fbd5fd1c1d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093913
StatusPUBLIC

Content hashes

Canonical text108e71301cd81518922944d718e4f9cbea31eaae6ab2426fba8e440ef832f72c
Markdown4c973f1ea462c93063d02d852037cd4b8196614ddeb8e26209f6da8b37686fab
PDF
Publication page3f40e1495fc182e58f6a114116028341fac1298714904ba626fde74aa1e7a99b
Manifestc29ae3ac6446c5dfeb6be41d4496669b9455e77e3e210eb276b6b99ab6ba560a

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
Signature4ajfj2n7r9pzmkrnChVIxrjRMdnsrLUHDja4JQYf0yPa6QiZE2z36sy2LMIStxzHehVgx+N6Mg/nDOi0u5L6CQ==
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

2026-09-17T09:38:11.000641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093913
observed 3f40e1495fc182e58f6a114116028341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.982446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093913/manifest.json
observed c29ae3ac6446c5dfeb6be41d4496669b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.963274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093913/publication.md
observed 4c973f1ea462c93063d02d852037cd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.940476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093913/publication.txt
observed 108e71301cd81518922944d718e4f9cb...
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.