Pith Number

pith:FUSCIQVJ

pith:2013:FUSCIQVJ775XSDYUPWCNFQFOCF

not attested not anchored not stored refs pending

The Recurrent Nova T Pyx: Distance and Remnant Geometry from Light Echoes

(2) Hofstra), Arlin P. S. Crotts (1), Helena Uthas (1), J. L. Sokoloski (1), Stephen Lawrence (2) ((1) Columbia

arxiv:1305.5245 v1 · 2013-05-22 · 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{FUSCIQVJ775XSDYUPWCNFQFOCF}

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	2026-05-18T01:49:47.625075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d242442a9fffb790f147d84d2c0ae116a5a41e830e255889a7ed3967b912141

Aliases

arxiv: 1305.5245 · arxiv_version: 1305.5245v1 · doi: 10.48550/arxiv.1305.5245 · pith_short_12: FUSCIQVJ775X · pith_short_16: FUSCIQVJ775XSDYU · pith_short_8: FUSCIQVJ

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/FUSCIQVJ775XSDYUPWCNFQFOCF \
  | 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: 2d242442a9fffb790f147d84d2c0ae116a5a41e830e255889a7ed3967b912141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f527c105835a1c05941c7f8a7d61e6c41cf1473f15b076669d56d6a802dc242",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-22T19:48:40Z",
    "title_canon_sha256": "636d6943610a0f45f3058c24a2f2eae427407c12d377bbbd91c4df34cdcffe9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5245",
    "kind": "arxiv",
    "version": 1
  }
}