Pith. sign in
Pith Number

pith:4CBRSFKK

pith:1999:4CBRSFKKI4F4D55ABPGO5Q2SA2
not attested not anchored not stored refs pending

An introduction to the Lorentz-Dirac equation

Eric Poisson

arxiv:gr-qc/9912045 v1 · 1999-12-10 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4CBRSFKKI4F4D55ABPGO5Q2SA2}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T14:26:25.574843Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e08319154a470bc1f7a00bcceec352069162481cc685b59eea2327d871ace072

Aliases

arxiv: gr-qc/9912045 · arxiv_version: gr-qc/9912045v1 · doi: 10.48550/arxiv.gr-qc/9912045 · pith_short_12: 4CBRSFKKI4F4 · pith_short_16: 4CBRSFKKI4F4D55A · pith_short_8: 4CBRSFKK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4CBRSFKKI4F4D55ABPGO5Q2SA2 \
  | 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: e08319154a470bc1f7a00bcceec352069162481cc685b59eea2327d871ace072
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "493e13e186bc1e08cd6f97a8a922c6a11afc4ad396cc92ea6f21c7b65cf3710f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-12-10T20:38:51Z",
    "title_canon_sha256": "f4bd05a3357a760821da0e581e6a52486405b8114c68ba6d2f0534bead762b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9912045",
    "kind": "arxiv",
    "version": 1
  }
}