OpenTechnical

OT-2026-000084527

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000084527) never changes.

Identity and time

Publication numberOT-2026-000084527 · never reused
Internal UUID01a0ae98-e25a-718c-b4bf-4736dd72c0e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084527
StatusPUBLIC

Content hashes

Canonical text8e4ba41c0f2eee8e8e8aa0e327efd41c326ff381df3460a298a541b5f5700eca
Markdownc442b389f61e547b6c6aa028e1138f8b7134cc0111ede0cafb0fdc5b236dc14d
PDF
Publication page3b869c53cc4f93c2f2d89b4ba98c08368b830684876cc2fb55e319e277faedd9
Manifestd2e2d816c9e6aed0ceb21f1035fb5161db12dfb4d3b38d86c5a56b2d514a9c81

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
SignatureeqWKdAp6H1bpS85oHjtmD8wKMTzitNSa+ktCzQnDCnSm2hpXF61/4dkjveClSQjs6cIrj3UaSTh6qkk1VjRHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:24.568655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084527
observed 3b869c53cc4f93c2f2d89b4ba98c0836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.551863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084527/manifest.json
observed d2e2d816c9e6aed0ceb21f1035fb5161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.534348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084527/publication.md
observed c442b389f61e547b6c6aa028e1138f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.516007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084527/publication.txt
observed 8e4ba41c0f2eee8e8e8aa0e327efd41c...
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.