Pith Number

pith:URJUWUDS

pith:2011:URJUWUDSQGP5DHBUNAXWGGG4A2

not attested not anchored not stored refs pending

The bright unidentified gamma-ray source 1FGL J1227.9-4852: Can it be associated with an LMXB?

A. B. Hill, A. Szostek, D. Kozie{\l}, E. C. Ferrara, E. Koerding, F. Camilo, G. Dubus, {\L}. Stawarz, M. Kerr, P. G. Edwards, R. Dubois, R. H. D. Corbet, S. Corbel

arxiv:1103.2637 v1 · 2011-03-14 · astro-ph.HE · 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{URJUWUDSQGP5DHBUNAXWGGG4A2}

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	2026-05-18T03:40:03.453299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4534b5072819fd19c34682f6318dc06b32d80c6ea188c130fe740f280790cb4

Aliases

arxiv: 1103.2637 · arxiv_version: 1103.2637v1 · doi: 10.48550/arxiv.1103.2637 · pith_short_12: URJUWUDSQGP5 · pith_short_16: URJUWUDSQGP5DHBU · pith_short_8: URJUWUDS

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/URJUWUDSQGP5DHBUNAXWGGG4A2 \
  | 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: a4534b5072819fd19c34682f6318dc06b32d80c6ea188c130fe740f280790cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f1aaaa7f2c1be1a70c9daaf058880694fb94590370451ca85c56a70b4e0e570",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-14T11:47:48Z",
    "title_canon_sha256": "98894ec463016a04d42468449c5d102582369130e005cd3280bc42742b257f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2637",
    "kind": "arxiv",
    "version": 1
  }
}