Pith Number

pith:UGUFXGBN

pith:2012:UGUFXGBNUTNUUPUZHM2UZYII2J

not attested not anchored not stored refs pending

Prospects for observing ultra-compact binaries with space-based gravitational wave interferometers and optical telescopes

Gijs Nelemans, Neil J. Cornish, Shane L. Larson, Tyson B. Littenberg

arxiv:1207.4848 v2 · 2012-07-20 · astro-ph.IM · astro-ph.GA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGUFXGBNUTNUUPUZHM2UZYII2J}

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	2026-05-18T01:56:15.935496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1a85b982da4db4a3e993b354ce108d2639f1ae49918d6da792d960ac18ca3b8

Aliases

arxiv: 1207.4848 · arxiv_version: 1207.4848v2 · doi: 10.48550/arxiv.1207.4848 · pith_short_12: UGUFXGBNUTNU · pith_short_16: UGUFXGBNUTNUUPUZ · pith_short_8: UGUFXGBN

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/UGUFXGBNUTNUUPUZHM2UZYII2J \
  | 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: a1a85b982da4db4a3e993b354ce108d2639f1ae49918d6da792d960ac18ca3b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd66007551e4d3bead68158e89d06f9cd9b25cdba378669056ea1e8898c0280a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-20T03:49:26Z",
    "title_canon_sha256": "dcf5118c6ebb4684a8ef5b40e7332f373bfcadd1eaa77f6483b6d3a61cd4f593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4848",
    "kind": "arxiv",
    "version": 2
  }
}