Pith Number

pith:Y4GKNN4T

pith:2013:Y4GKNN4TVVWEIEV3HSH6J5FGAY

not attested not anchored not stored refs pending

Constraints on OH Megamaser Excitation from a Survey of OH Satellite Lines

(2) University of Kentucky), Berkeley, Carl Heiles (1), James McBride (1), Moshe Elitzur (2) ((1) University of California

arxiv:1307.5071 v1 · 2013-07-18 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4GKNN4TVVWEIEV3HSH6J5FGAY}

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	2026-05-18T03:15:55.498855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70ca6b793ad6c4412bb3c8fe4f4a60636bd4fc3b840ca5c66bf7e282d902bfc

Aliases

arxiv: 1307.5071 · arxiv_version: 1307.5071v1 · doi: 10.48550/arxiv.1307.5071 · pith_short_12: Y4GKNN4TVVWE · pith_short_16: Y4GKNN4TVVWEIEV3 · pith_short_8: Y4GKNN4T

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/Y4GKNN4TVVWEIEV3HSH6J5FGAY \
  | 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: c70ca6b793ad6c4412bb3c8fe4f4a60636bd4fc3b840ca5c66bf7e282d902bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a9d840c79109c68119481fad1be9974356bdccce4585c1e91af63d138dd6b5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-18T20:07:16Z",
    "title_canon_sha256": "3695386765368e6ca13633b8bc43a5db5ddc1aac478ecb8c3364ddd198e50aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5071",
    "kind": "arxiv",
    "version": 1
  }
}