Pith Number

pith:UAFPZSXR

pith:2016:UAFPZSXR5QJNL63PAKBT3EAOBY

not attested not anchored not stored refs pending

Demonstrating the likely neutron star nature of five M31 globular cluster sources with Swift-NuSTAR spectroscopy

Andreas Zezas (Crete), Andrew Ptak, Ann Hornschemeier (GSFC), Benjamin F. Williams (Washington), Bret D. Lehmer (Arkansas), Charles J. Hailey (Columbia), Daniel R. Wik (GSFC), Dan Stern (JPL), Finn E. Christensen (Caltech), Fiona Harrison (Caltech), Jamie Kennea (PSU), Kim Page (Leicester), Mihoko Yukita (JHU/GSFC), Mike Eracleous (PSU), Padi Boyd (GSFC), Steven E. Boggs (UC), Thomas J. Maccarone (Texas Tech), Vallia Antoniou (CfA), William W. Craig (UC), William W. Zhang (GSFC)

arxiv:1603.00552 v1 · 2016-03-02 · 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{UAFPZSXR5QJNL63PAKBT3EAOBY}

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	2026-05-18T01:18:28.748026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a00afccaf1ec12d5fb6f02833d900e0e05926155397ade8d38734350a0357482

Aliases

arxiv: 1603.00552 · arxiv_version: 1603.00552v1 · doi: 10.48550/arxiv.1603.00552 · pith_short_12: UAFPZSXR5QJN · pith_short_16: UAFPZSXR5QJNL63P · pith_short_8: UAFPZSXR

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/UAFPZSXR5QJNL63PAKBT3EAOBY \
  | 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: a00afccaf1ec12d5fb6f02833d900e0e05926155397ade8d38734350a0357482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c47d53d8e4e0576084197661d1145837dd50505cbd3df71522cc4b475dfb8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-02T02:23:41Z",
    "title_canon_sha256": "ff04f81d5a7dd69458870656e5efadfc16ecc275ae8f5ed40bf9d6c60df3592b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00552",
    "kind": "arxiv",
    "version": 1
  }
}