OpenTechnical

OT-2026-000103026

Publication integrity record

Four bellows cup 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-2026-000103026) never changes.

Identity and time

Publication numberOT-2026-000103026 · never reused
Internal UUID01a0aea4-be3d-7ade-a2ac-764e16a697d7 · 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-2026-000103026
StatusPUBLIC

Content hashes

Canonical text10a9e8ecc9bbae1b995a2df9d60036820e3e49b7bc80f97a5af486fb3e7c698e
Markdown8fb7dc83c460743ea55b02dee8db79537c3ca3fbe045cfe0c41be9003835dd5c
PDF
Publication page691c4803d0c2c95ed5fd44e3820b8ed05edbb753d1cefcd0b041058e5feb0f8d
Manifest7b61b7ba3282a2f422a417720f9fe0e08aeaa01f910c772f6a66777dcba721c3

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
SignaturegWTWYHCyMGKWKSa1HsQHr/izSoWjiPMiVK2jNxyB/6x6o3f2R9r2aosTmpMKn1GqxSHNRpaszEILuK44oMHTDA==
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

2026-09-17T09:23:08.776582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103026
observed 691c4803d0c2c95ed5fd44e3820b8ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.758493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103026/manifest.json
observed 7b61b7ba3282a2f422a417720f9fe0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.739697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103026/publication.md
observed 8fb7dc83c460743ea55b02dee8db7953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.721335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103026/publication.txt
observed 10a9e8ecc9bbae1b995a2df9d6003682...
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.