Pith Number

pith:T3HB2VJK

pith:2019:T3HB2VJKYQJ6CZX2JWHFMHVIDJ

not attested not anchored not stored refs pending

Spectroscopic and dynamical properties of comet C/2018 F4, likely a true average former member of the Oort cloud

Antonio Cabrera-Lavers, Carlos de la Fuente Marcos, Javier Licandro, Julia de Leon, Miquel Serra-Ricart, Raul de la Fuente Marcos

arxiv:1903.10838 v1 · 2019-03-26 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3HB2VJKYQJ6CZX2JWHFMHVIDJ}

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	2026-05-17T23:44:11.589154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ece1d552ac413e166fa4d8e561ea81a4bc67dab127def16daa9a8c2f986a0a8

Aliases

arxiv: 1903.10838 · arxiv_version: 1903.10838v1 · doi: 10.48550/arxiv.1903.10838 · pith_short_12: T3HB2VJKYQJ6 · pith_short_16: T3HB2VJKYQJ6CZX2 · pith_short_8: T3HB2VJK

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/T3HB2VJKYQJ6CZX2JWHFMHVIDJ \
  | 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: 9ece1d552ac413e166fa4d8e561ea81a4bc67dab127def16daa9a8c2f986a0a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54dec58e5ff07fb40812352478ea95c9131ba69c30fc5ee971f2edab2843fb1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-26T12:42:28Z",
    "title_canon_sha256": "e1f6863dd627d2fb56036dddee3dd6797fe3cfd1c50a8931cfa773db7dbcd737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10838",
    "kind": "arxiv",
    "version": 1
  }
}