OpenTechnical

OT-2026-000104137

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000104137) never changes.

Identity and time

Publication numberOT-2026-000104137 · never reused
Internal UUID01a0aea5-341f-7bc6-9790-195f737afc45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104137
StatusPUBLIC

Content hashes

Canonical text02aa4e478f6c6a47b92fee78f4643cc1d8c62cef60132315a64ac33b7424181f
Markdown0e00a53f415812ce068b751ed62019fa0b5c9a344039b4b29f4a30c0f38f02f5
PDF
Publication page5c21339422adf47be22b02f0b7b4f09bdddffb7968a5cd1b3c545115aba4d3c7
Manifest60ea5bead106f704df71d88cfe42351ca6a2344612397e17f35c6ddc3cf3e07a

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
Signature8ngiCm6ckj0pk2dIEytVaAW3H6KZSdB9Pw/St0PKixBt4dXf5YpGqGpo1vfxSqhjp9py65YEQqXJeCkG8XMABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:13.211370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104137
observed 5c21339422adf47be22b02f0b7b4f09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.193013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104137/manifest.json
observed 60ea5bead106f704df71d88cfe42351c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.173164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104137/publication.md
observed 0e00a53f415812ce068b751ed62019fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.154730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104137/publication.txt
observed 02aa4e478f6c6a47b92fee78f4643cc1...
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.