Pith Number

pith:FZMF747M

pith:2010:FZMF747MBMUJPYRKOAUPJDYCTT

not attested not anchored not stored refs pending

The orbital period and system parameters of the recurrent nova T Pyx

Christian Knigge, Danny Steeghs, Helena Uthas

arxiv:1005.5166 v1 · 2010-05-27 · 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{FZMF747MBMUJPYRKOAUPJDYCTT}

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	2026-05-18T02:07:07.092877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e585ff3ec0b2897e22a7028f48f029cfc187b461f986f5b9bccebbdb0a3773c

Aliases

arxiv: 1005.5166 · arxiv_version: 1005.5166v1 · doi: 10.48550/arxiv.1005.5166 · pith_short_12: FZMF747MBMUJ · pith_short_16: FZMF747MBMUJPYRK · pith_short_8: FZMF747M

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/FZMF747MBMUJPYRKOAUPJDYCTT \
  | 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: 2e585ff3ec0b2897e22a7028f48f029cfc187b461f986f5b9bccebbdb0a3773c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "221774db53c0282f5b7cc4b43a12b65032869e3c076496be948168ceefabb339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-27T20:01:28Z",
    "title_canon_sha256": "2404594d6c08cc14d51536a139ba1c16c7551d599693553c30860be09e1da03b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5166",
    "kind": "arxiv",
    "version": 1
  }
}