Pith Number

pith:HTENQ5II

pith:2014:HTENQ5IIW2OCEDMQQW5X3T2ZNN

not attested not anchored not stored refs pending

On measuring the size of nuclei of comets

S. N. Dolya

arxiv:1402.4902 v1 · 2014-02-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTENQ5IIW2OCEDMQQW5X3T2ZNN}

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	2026-05-18T02:58:31.746941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc8d87508b69c220d9085bb7dcf596b720a8c01c35ef7daf5199cac24acca16

Aliases

arxiv: 1402.4902 · arxiv_version: 1402.4902v1 · doi: 10.48550/arxiv.1402.4902 · pith_short_12: HTENQ5IIW2OC · pith_short_16: HTENQ5IIW2OCEDMQ · pith_short_8: HTENQ5II

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/HTENQ5IIW2OCEDMQQW5X3T2ZNN \
  | 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: 3cc8d87508b69c220d9085bb7dcf596b720a8c01c35ef7daf5199cac24acca16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d16b3b179c7b95589f2374034567dac1ade7b19bb973a0e7592c6c2fed81952",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-02-20T06:11:13Z",
    "title_canon_sha256": "488474ff741f7d0c1d9c6a26670e6d1fa1c642d625adbc36383943a245fdf5c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4902",
    "kind": "arxiv",
    "version": 1
  }
}