Pith Number

pith:3NUXCMH2

pith:2019:3NUXCMH2D2RAKCHQDESBGZGG5K

not attested not anchored not stored refs pending

Emissivity of Ammonia Ice

J. I. Katz, S. Wang

arxiv:1903.04960 v1 · 2019-03-12 · astro-ph.EP · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NUXCMH2D2RAKCHQDESBGZGG5K}

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	2026-05-17T23:51:26.626059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db697130fa1ea20508f019241364c6ea8cd6bd780e7a8f7a091d417c210c1ca5

Aliases

arxiv: 1903.04960 · arxiv_version: 1903.04960v1 · doi: 10.48550/arxiv.1903.04960 · pith_short_12: 3NUXCMH2D2RA · pith_short_16: 3NUXCMH2D2RAKCHQ · pith_short_8: 3NUXCMH2

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/3NUXCMH2D2RAKCHQDESBGZGG5K \
  | 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: db697130fa1ea20508f019241364c6ea8cd6bd780e7a8f7a091d417c210c1ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dfee2bafdb6fb95be086441fb0605ae6d4e212a6fa790e560e21fe3c574695c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-12T14:41:00Z",
    "title_canon_sha256": "030e6e03c9149589749def8ba459c7ae9cecf00a70a70722f784a08a3939e441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04960",
    "kind": "arxiv",
    "version": 1
  }
}