Pith Number

pith:J6R7N47H

pith:2009:J6R7N47HN22DXBP2YLTFNX4RCA

not attested not anchored not stored refs pending

Effect of pulse profile variations on measurement of eccentricity in orbits of Cen X-3 and SMC X-1

Biswajit Paul, Harsha Raichur

arxiv:0909.4271 v1 · 2009-09-23 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6R7N47HN22DXBP2YLTFNX4RCA}

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	2026-05-18T02:11:38.331830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa3f6f3e76eb43b85fac2e656df911018d2137735e9388d4b724bae6ce2dcaa

Aliases

arxiv: 0909.4271 · arxiv_version: 0909.4271v1 · doi: 10.48550/arxiv.0909.4271 · pith_short_12: J6R7N47HN22D · pith_short_16: J6R7N47HN22DXBP2 · pith_short_8: J6R7N47H

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/J6R7N47HN22DXBP2YLTFNX4RCA \
  | 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: 4fa3f6f3e76eb43b85fac2e656df911018d2137735e9388d4b724bae6ce2dcaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c703b9caa338e2005411c7712c24210defea58f939ad93e019fe9c2afb72f18",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-23T18:11:32Z",
    "title_canon_sha256": "8a0956f5f55bc202b0446b24121a6c7d5feb39aabf8b8b992f7a91718753b126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4271",
    "kind": "arxiv",
    "version": 1
  }
}