pith. sign in
Pith Number

pith:MHZHRIPQ

pith:2011:MHZHRIPQT5RERICAIY4DB6VVFF
not attested not anchored not stored refs pending

PSR J1903+0327 : A Unique Milli-Second Pulsar with a Main-Sequence Companion Star

Achamveedu Gopakumar, Bhal Chandra Joshi, Cynthia S. Froning, John T. Stocke, Juthika Khargharia

arxiv:1110.0507 v1 · 2011-10-03 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MHZHRIPQT5RERICAIY4DB6VVFF}

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 2026-05-18T02:00:18.405823Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

61f278a1f09f6248a040463830fab52946ccd501ae9bb32f484576544e83c760

Aliases

arxiv: 1110.0507 · arxiv_version: 1110.0507v1 · doi: 10.48550/arxiv.1110.0507 · pith_short_12: MHZHRIPQT5RE · pith_short_16: MHZHRIPQT5RERICA · pith_short_8: MHZHRIPQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MHZHRIPQT5RERICAIY4DB6VVFF \
  | 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: 61f278a1f09f6248a040463830fab52946ccd501ae9bb32f484576544e83c760
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b79b447dccd461bc7b2a9598713a92f2dc8d0a535e696e729f29b32d24be86cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-03T21:09:55Z",
    "title_canon_sha256": "eb93f25a5064abe325927db502d84ef2b30cbe17980dcf88e40d2d0bb093927a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0507",
    "kind": "arxiv",
    "version": 1
  }
}