Pith Number

pith:QNF5O6H7

pith:2018:QNF5O6H7FM6ADB7YSB7YIPTEAK

not attested not anchored not stored refs pending

Neutron Star Mergers Chirp About Vacuum Energy

Cem Er\"oncel, Csaba Cs\'aki, Gabriele Rigo, Jay Hubisz, John Terning

arxiv:1802.04813 v1 · 2018-02-13 · astro-ph.HE · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNF5O6H7FM6ADB7YSB7YIPTEAK}

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	2026-05-18T00:03:17.179980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834bd778ff2b3c0187f8907f843e6402932d780e2b926fb550775f3b78bb3bc1

Aliases

arxiv: 1802.04813 · arxiv_version: 1802.04813v1 · doi: 10.48550/arxiv.1802.04813 · pith_short_12: QNF5O6H7FM6A · pith_short_16: QNF5O6H7FM6ADB7Y · pith_short_8: QNF5O6H7

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/QNF5O6H7FM6ADB7YSB7YIPTEAK \
  | 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: 834bd778ff2b3c0187f8907f843e6402932d780e2b926fb550775f3b78bb3bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648e11e498532367e0eca5eb5fe8b1f23dcc51f66b90751c729b0bdc21fbad70",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-13T19:00:09Z",
    "title_canon_sha256": "5046ad5a8b47e6f2ed4365c0da0cf8b1bf07d1951748ede21a85fcf287114245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04813",
    "kind": "arxiv",
    "version": 1
  }
}