OpenTechnical

OT-2026-000059288

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off 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-2026-000059288) never changes.

Identity and time

Publication numberOT-2026-000059288 · never reused
Internal UUID01a0ae89-8614-7333-9de2-45a89bbdcb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059288
StatusPUBLIC

Content hashes

Canonical text63b7cfc68d7e443f8efb2d11928c21a7b7f3efc85db26bce12050315f5ea8875
Markdown9858c44205412de968c7a4c76c486d528a4839645d539a2a9977c5b84ff48e55
PDF
Publication paged6abdf039e9217fd0bec7b3e17d9641d718e423e5e8f32155ee5965fb1c3cc53
Manifest9c61af972180221ed4b6e0fa9446f1a0fe1f7e03b4a3eccf9ffd12f45880d107

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
Signature+24e6iIyF7v5zjI+Wu4tz1NDYlDLtXExbYQL0E6gCB/AujnL4xlr5Ncy+MTA71I0ZGXW7KOfkuR94Uzlo5f1Bg==
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

2026-09-17T10:45:50.749448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059288
observed d6abdf039e9217fd0bec7b3e17d9641d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.730702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059288/manifest.json
observed 9c61af972180221ed4b6e0fa9446f1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.711557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059288/publication.md
observed 9858c44205412de968c7a4c76c486d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.691649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059288/publication.txt
observed 63b7cfc68d7e443f8efb2d11928c21a7...
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.