Pith Number

pith:IUYFMPDB

pith:2022:IUYFMPDBCG5SXVIRZ2KSKH7MI3

not attested not anchored not stored refs pending

Doppler Signature in Electrodynamic Retarded Potentials

Fulvio Parmigiani, Giovanni Perosa, Simone Di Mitri, William A. Barletta

arxiv:2202.05393 v2 · 2022-02-04 · physics.class-ph · physics.acc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUYFMPDBCG5SXVIRZ2KSKH7MI3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:31:33.203349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4530563c6111bb2bd511ce95251fec46fa73b13c17cc1e31e5095b8c71f2cd3f

Aliases

arxiv: 2202.05393 · arxiv_version: 2202.05393v2 · doi: 10.48550/arxiv.2202.05393 · pith_short_12: IUYFMPDBCG5S · pith_short_16: IUYFMPDBCG5SXVIR · pith_short_8: IUYFMPDB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IUYFMPDBCG5SXVIRZ2KSKH7MI3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4530563c6111bb2bd511ce95251fec46fa73b13c17cc1e31e5095b8c71f2cd3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf695d4f51d0d6ca14f6ba7a1998f3d52222f3a2dc24e197b9c558fa4eb54d6",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2022-02-04T16:23:48Z",
    "title_canon_sha256": "e331b7bfae8d852e0c718a04853e321ed2ade1d554cb90ee5be64e251b72000f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.05393",
    "kind": "arxiv",
    "version": 2
  }
}