OpenTechnical

OT-2026-000060757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000060757) never changes.

Identity and time

Publication numberOT-2026-000060757 · never reused
Internal UUID01a0ae8a-b7ce-79d3-ade4-e3516771c1d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060757
StatusPUBLIC

Content hashes

Canonical text68b765f098af818f4a45e9019c036f95da8c0a90371b11a686c00b8e88029695
Markdowncda36663da5df4c30280606ac2141040dce1bf8136d43f7972f6a750786265b5
PDF
Publication pageb81bc64fbbec22158472d05adcf3ac559034c1171abed300f51166ea18de61f4
Manifest880915c107a7089b3dcca86eba80a5164d2e3ad670e86fb0b34d7412b8ef5f2e

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
SignatureVGrDGQM+rUHHsBjlYTQMjAAQzwlMs+AC0v8npQFYyWqDc/VTyqs1t9ME2gQwXUWfDf6GSJUYdNWtMajpa0WjAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:29.688342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060757
observed b81bc64fbbec22158472d05adcf3ac55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.670155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060757/manifest.json
observed 880915c107a7089b3dcca86eba80a516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.652088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060757/publication.md
observed cda36663da5df4c30280606ac2141040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.633309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060757/publication.txt
observed 68b765f098af818f4a45e9019c036f95...
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.