Pith Number

pith:MCDLFOQM

pith:2009:MCDLFOQM2AXSSV4CI3NGIX2GQA

not attested not anchored not stored refs pending

X-rays from the Eclipsing Millisecond Pulsar PSR J1740-5340 in the Globular Cluster NGC 6397

R. H. H. Huang, W. Becker

arxiv:0910.2049 v3 · 2009-10-11 · astro-ph.HE

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

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	2026-05-18T02:11:24.742505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6086b2ba0cd02f29578246da645f4680054e37c9174c573ee40c6beadf644881

Aliases

arxiv: 0910.2049 · arxiv_version: 0910.2049v3 · doi: 10.48550/arxiv.0910.2049 · pith_short_12: MCDLFOQM2AXS · pith_short_16: MCDLFOQM2AXSSV4C · pith_short_8: MCDLFOQM

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/MCDLFOQM2AXSSV4CI3NGIX2GQA \
  | 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: 6086b2ba0cd02f29578246da645f4680054e37c9174c573ee40c6beadf644881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1408d6421efb9d08333b4497cfc7b5b9497ade00e69149ce028c0519e5d6b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-11T21:04:33Z",
    "title_canon_sha256": "26f9d697865aff46f0a11e0c81e4ecfa6a31abc3c2ee2d7fe62cebf0b3bd658b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2049",
    "kind": "arxiv",
    "version": 3
  }
}