Pith Number

pith:3WRQEHPK

pith:2012:3WRQEHPKVW3EG7EYL7CYITTH7F

not attested not anchored not stored refs pending

The spectroscopic evolution of the recurrent nova T Pyxidis during its 2011 outburst. II.The optically thin phase and the structure of the ejecta in recurrent novae

E. M. Sion (Villanova), F. M. Walter (SUNY - SB), G. J. Schwarz (AAS), I. De Gennaro Aquino (Univ. of Pisa), INFN-Pisa), S. N. Shore (Univ. of Pisa, S. Starrfield (ASU), T. Augusteijn (NOT)

arxiv:1211.3453 v1 · 2012-11-14 · astro-ph.SR · 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{3WRQEHPKVW3EG7EYL7CYITTH7F}

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	2026-05-18T01:53:11.022332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda3021deaadb6437c985fc5844e67f96515437bc58813701b37ba779bf9435f

Aliases

arxiv: 1211.3453 · arxiv_version: 1211.3453v1 · doi: 10.48550/arxiv.1211.3453 · pith_short_12: 3WRQEHPKVW3E · pith_short_16: 3WRQEHPKVW3EG7EY · pith_short_8: 3WRQEHPK

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/3WRQEHPKVW3EG7EYL7CYITTH7F \
  | 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: dda3021deaadb6437c985fc5844e67f96515437bc58813701b37ba779bf9435f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c752acac43b8f52a56b8988fa6d4ff0fc35853ca72f4c95e81d8ca9c7a24cc8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-14T22:33:32Z",
    "title_canon_sha256": "2ffd0ce5b0c692bd4090a3d58ea2928fe8cc022bcfba1b98b5cef7b6fff42549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3453",
    "kind": "arxiv",
    "version": 1
  }
}