Pith Number

pith:IGDQUR2K

pith:2017:IGDQUR2KWNC7K5TGAYITFMWCWI

not attested not anchored not stored refs pending

Predicting ULX demographics from geometrical beaming

Andrew King, Matthew Middleton

arxiv:1705.06488 v2 · 2017-05-18 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGDQUR2KWNC7K5TGAYITFMWCWI}

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	2026-05-18T00:38:26.165836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41870a474ab345f57666061132b2c2b2365d5f89fb82451bbb9dd2a02078a8f3

Aliases

arxiv: 1705.06488 · arxiv_version: 1705.06488v2 · doi: 10.48550/arxiv.1705.06488 · pith_short_12: IGDQUR2KWNC7 · pith_short_16: IGDQUR2KWNC7K5TG · pith_short_8: IGDQUR2K

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/IGDQUR2KWNC7K5TGAYITFMWCWI \
  | 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: 41870a474ab345f57666061132b2c2b2365d5f89fb82451bbb9dd2a02078a8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159a9d78bd67f3966906daca5d3945b4f217fcac15361bdf8c4881582ae3c7c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-18T09:19:24Z",
    "title_canon_sha256": "6540d19cd990c4a3da3bc23aae7fb02c0a3477f8131fb58fc2e9c5c02c567c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06488",
    "kind": "arxiv",
    "version": 2
  }
}