Pith Number

pith:2N7O7BXF

pith:2013:2N7O7BXFG7A2N4VSA7363K5LOA

not attested not anchored not stored refs pending

Around 200 new X-ray binary IDs from 13 years of Chandra observations of the M31 center

F. Baganoff, F. Primini, M. R. Garcia, R. Barnard, S. S. Murray, Z. Li

arxiv:1311.1821 v1 · 2013-11-07 · 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{2N7O7BXFG7A2N4VSA7363K5LOA}

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	2026-05-18T01:46:33.093549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37eef86e537c1a6f2b207f7edabab703dfbde89c567fb266df59892ef808ea7

Aliases

arxiv: 1311.1821 · arxiv_version: 1311.1821v1 · doi: 10.48550/arxiv.1311.1821 · pith_short_12: 2N7O7BXFG7A2 · pith_short_16: 2N7O7BXFG7A2N4VS · pith_short_8: 2N7O7BXF

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/2N7O7BXFG7A2N4VSA7363K5LOA \
  | 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: d37eef86e537c1a6f2b207f7edabab703dfbde89c567fb266df59892ef808ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f30332bef15c6983a70e8da98a03151a00a47bde6537834db5e1552afda04de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-07T21:00:05Z",
    "title_canon_sha256": "cbc9d94c8369ef5075b4a071bfafbd78092f18e5cd746f1216c068b1106b1369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1821",
    "kind": "arxiv",
    "version": 1
  }
}