OpenTechnical

OT-2026-000085844

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000085844) never changes.

Identity and time

Publication numberOT-2026-000085844 · never reused
Internal UUID01a0ae99-e829-7fde-bc06-7366cd11f773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085844
StatusPUBLIC

Content hashes

Canonical text3af7ce015e927e75783f6c33d5e1b0000114bdc4fb50175dd0ea3834e19c7659
Markdown78fd0eacaf3ff337eb5b10a79396cdd1582814d54cf6a192c2c802140797ad63
PDF
Publication pagec42a514cd3f62072d2b74c80c9d24f0fde185b79d2b5aff7c595e2264ea36fdb
Manifestff2f6a972b123ac7c12946e3e3ff4df69b84cb14ec737d30ef578b6fc5e8c9d3

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
SignatureMMcalhQ7+7pcZXenm58CTip9CJm348uzF9DGPdQaWX68KjBcm/p2V88P7mBROSV+htI27jjfAKE1reRdqHvwDQ==
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

2026-09-17T09:52:46.197434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085844
observed c42a514cd3f62072d2b74c80c9d24f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.178579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085844/manifest.json
observed ff2f6a972b123ac7c12946e3e3ff4df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.160983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085844/publication.md
observed 78fd0eacaf3ff337eb5b10a79396cdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.111585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085844/publication.txt
observed 3af7ce015e927e75783f6c33d5e1b000...
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.