Pith Number

pith:SDMICIDP

pith:2016:SDMICIDPMDNLSR5IDI2BLBDHRO

not attested not anchored not stored refs pending

The Helmholtz theorem and retarded fields

Ricardo Heras

arxiv:1609.08149 v1 · 2016-09-24 · physics.class-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{SDMICIDPMDNLSR5IDI2BLBDHRO}

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	2026-05-18T01:03:48.026850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d881206f60dab947a81a341584678b8a00bb43eb861a00d61fdab1f9d5c3f8

Aliases

arxiv: 1609.08149 · arxiv_version: 1609.08149v1 · doi: 10.48550/arxiv.1609.08149 · pith_short_12: SDMICIDPMDNL · pith_short_16: SDMICIDPMDNLSR5I · pith_short_8: SDMICIDP

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/SDMICIDPMDNLSR5IDI2BLBDHRO \
  | 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: 90d881206f60dab947a81a341584678b8a00bb43eb861a00d61fdab1f9d5c3f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf7d9b3735dd09c3ca7f25be8330b79f302290e3909f1c996f4639baba0cd3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2016-09-24T19:30:30Z",
    "title_canon_sha256": "97e9e220ed76a6e96f65cd733308322246bc769ba8c8267006becaa2cef08d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08149",
    "kind": "arxiv",
    "version": 1
  }
}