Pith Number

pith:UCYQ32WA

pith:2010:UCYQ32WA5VYDR7RMJBKJ343KOD

not attested not anchored not stored refs pending

The Optical Orbital Light Curve of the Low-mass X-ray Binary V1408 Aquilae (= 4U 1957+115)

Amanda J. Bayless, Edward L. Robinson, Paul A. Mason, Paul Robertson

arxiv:1004.4904 v3 · 2010-04-27 · 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{UCYQ32WA5VYDR7RMJBKJ343KOD}

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	2026-05-18T02:07:45.773348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b10deac0ed7038fe2c48549df36a70e08d93e10eb4d61c6ef74c4590379a98

Aliases

arxiv: 1004.4904 · arxiv_version: 1004.4904v3 · doi: 10.48550/arxiv.1004.4904 · pith_short_12: UCYQ32WA5VYD · pith_short_16: UCYQ32WA5VYDR7RM · pith_short_8: UCYQ32WA

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/UCYQ32WA5VYDR7RMJBKJ343KOD \
  | 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: a0b10deac0ed7038fe2c48549df36a70e08d93e10eb4d61c6ef74c4590379a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af38d2fc439e2537529c03bad7f5b41c6a97677a2b8c673dd2272bbf4b7a9561",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-27T20:12:16Z",
    "title_canon_sha256": "c243e568bde73e4fa035e6c606c18b4472a3dd4748abaa100adaaa50b9311389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4904",
    "kind": "arxiv",
    "version": 3
  }
}