OpenTechnical

OT-2026-000041076

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000041076) never changes.

Identity and time

Publication numberOT-2026-000041076 · never reused
Internal UUID01a0ae79-b141-7e24-bf06-d43646765b5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041076
StatusPUBLIC

Content hashes

Canonical text24e440e5d0746f3e40f37f6ee4817d84085d1cc8332e61a7664e6a6c7c60037e
Markdown3b70faf2a60fe63745518fc2985c65e47527aae92eedff6dd67a175028bcdd36
PDF
Publication pagee6de60968d8aa45879dabbf5ca2cc4c09504ad0ef57cf2ecd710cdfd5569b49b
Manifest687414b775a82a4137e41b7ae6eaa99d43711d87579bac264d037f56e0f7eae9

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
SignatureYLtxWT4xw7qOBaZg4jMpvUPE0dTmGIoCk9jr9G466J63PW8FDPOQZtFXI0MkaL0A+UthN9WDTkB35DWpoksFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:59.539147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041076
observed e6de60968d8aa45879dabbf5ca2cc4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.523568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041076/manifest.json
observed 687414b775a82a4137e41b7ae6eaa99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.508289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041076/publication.md
observed 3b70faf2a60fe63745518fc2985c65e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.492484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041076/publication.txt
observed 24e440e5d0746f3e40f37f6ee4817d84...
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.