Pith Number

pith:Y3WIW2AD

pith:2014:Y3WIW2ADAXAM2J6CASL34LGZOC

not attested not anchored not stored refs pending

The ancient heritage of water ice in the solar system

Conel M. O'D. Alexander (2), Dawn Graninger (3), Edwin A. Bergin (1), Fujun Du (1), Karin I. \"Oberg (3), L. Ilsedore Cleeves (1), Tim J. Harries (4) ((1) University of Michigan (2) Carnegie DTM (3) Harvard-Smithsonian CfA (4) University of Exeter)

arxiv:1409.7398 v1 · 2014-09-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3WIW2ADAXAM2J6CASL34LGZOC}

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	2026-05-18T02:41:52.779025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ec8b680305c0cd27c20497be2cd970a272b63ed4a93c51a7ab7c3676ee4239

Aliases

arxiv: 1409.7398 · arxiv_version: 1409.7398v1 · doi: 10.48550/arxiv.1409.7398 · pith_short_12: Y3WIW2ADAXAM · pith_short_16: Y3WIW2ADAXAM2J6C · pith_short_8: Y3WIW2AD

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/Y3WIW2ADAXAM2J6CASL34LGZOC \
  | 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: c6ec8b680305c0cd27c20497be2cd970a272b63ed4a93c51a7ab7c3676ee4239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9a38207098501c5864d8aa5360178da032d079d761615e9def2c077a88ec16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-25T20:00:13Z",
    "title_canon_sha256": "ae60b1b3393ea9b76134c8e65afbe46eaac6c5cf9bb2cf4e31e74438b6da24ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7398",
    "kind": "arxiv",
    "version": 1
  }
}