OpenTechnical

OT-2026-000103029

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000103029) never changes.

Identity and time

Publication numberOT-2026-000103029 · never reused
Internal UUID01a0aea4-be3d-7771-a7ad-4871b37a5a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103029
StatusPUBLIC

Content hashes

Canonical texte3feb913022b73eec4fdef1f843fd0f7e7096b9c11ecb06a67fe0d7fed39b4a4
Markdown87d5f690ac9dc17b4c6e0a71ebd2a2b09d84707feeb6121932cdd7ab5aa81015
PDF
Publication page0730db256aa2a3ffbcfb7521999b6d9bad0d6644f256e356804986064495169f
Manifesta486f2df9b6f1107627d960fd7ace7186903254324a990f358222a751685d957

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
SignaturelsnEdbHDiQHOMVXyQTIevzW5vj6OFQ2c05bxfSdGr4iRKyA7mm2MRg1vQw1hCYCNwSeEQ3rc4oEvyN/hFKkXBg==
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

2026-09-17T09:23:08.995759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103029
observed 0730db256aa2a3ffbcfb7521999b6d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.978831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103029/manifest.json
observed a486f2df9b6f1107627d960fd7ace718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.961905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103029/publication.md
observed 87d5f690ac9dc17b4c6e0a71ebd2a2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.943592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103029/publication.txt
observed e3feb913022b73eec4fdef1f843fd0f7...
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.