Pith Number

pith:B2UW6NWG

pith:2014:B2UW6NWGEASEA6QCI75F57QECY

not attested not anchored not stored refs pending

Evaporation and Accretion of Extrasolar Comets Following White Dwarf Kicks

Abraham Loeb, Brian Metzger, Nicholas Stone

arxiv:1404.3213 v2 · 2014-04-11 · astro-ph.EP

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

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	2026-05-18T01:37:28.808563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea96f36c62024407a0247fa5efe04162829ae0cfa2f2d2a10155c975162bec0

Aliases

arxiv: 1404.3213 · arxiv_version: 1404.3213v2 · doi: 10.48550/arxiv.1404.3213 · pith_short_12: B2UW6NWGEASE · pith_short_16: B2UW6NWGEASEA6QC · pith_short_8: B2UW6NWG

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/B2UW6NWGEASEA6QCI75F57QECY \
  | 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: 0ea96f36c62024407a0247fa5efe04162829ae0cfa2f2d2a10155c975162bec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2981e75a12db68e5608350d5e1510c1599062d4d4c1b533f587b4309f5ca4a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-11T20:01:05Z",
    "title_canon_sha256": "6b51b99fd604946b284c23ae098ceb213e1d2872ce8c49be2368f5440df9d44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3213",
    "kind": "arxiv",
    "version": 2
  }
}