Pith Number

pith:OTR7OBTA

pith:2013:OTR7OBTA2RM4AMZTVTZAPYFA43

not attested not anchored not stored refs pending

The Death Spiral of T Pyxidis

(2) Center for Backyard Astrophysics), Arto Oksanen (2), Berto Monard (2), Franz-Josef Hambsch (2), Gordon Myers (2), Greg Bolt (2) ((1) Columbia Univ., Jennie McCormick (2), Jonathan Kemp (1), Joseph Patterson (1), Peter Nelson (2), Robert Rea (2), Shawn Dvorak (2), Simon Lowther (2), Thomas Krajci (2), Thomas Richards (2), William Allen (2)

arxiv:1303.0736 v1 · 2013-03-04 · 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{OTR7OBTA2RM4AMZTVTZAPYFA43}

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	2026-05-18T03:31:55.097913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e3f70660d459c03333acf207e0a0e6f48e2ccf5add0d4d3a8291829131de9a

Aliases

arxiv: 1303.0736 · arxiv_version: 1303.0736v1 · doi: 10.48550/arxiv.1303.0736 · pith_short_12: OTR7OBTA2RM4 · pith_short_16: OTR7OBTA2RM4AMZT · pith_short_8: OTR7OBTA

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/OTR7OBTA2RM4AMZTVTZAPYFA43 \
  | 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: 74e3f70660d459c03333acf207e0a0e6f48e2ccf5add0d4d3a8291829131de9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d9c7d840cba89e8823686ce38661759b6532307829ef32546d1d8640134ce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-04T15:49:43Z",
    "title_canon_sha256": "35622334fd930ae3863a25a50d4dfe3372b9643a452f10e71a6080e009a7e2cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0736",
    "kind": "arxiv",
    "version": 1
  }
}