Pith Number

pith:SPFLSEPC

pith:2011:SPFLSEPCNLNHPNARXMBYKDQOWB

not attested not anchored not stored refs pending

Exploring the Morphology of the Expanding Remnants of Classical and Recurrent Novae

D. J. Harman, M. F. Bode, M. J. Darnley, U. Munari, V. A. R. M. Ribeiro

arxiv:1103.0989 v1 · 2011-03-04 · 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{SPFLSEPCNLNHPNARXMBYKDQOWB}

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	2026-05-18T04:27:17.337790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93cab911e26ada77b411bb03850e0eb06299dae438c4099daa88b72d0a2b931b

Aliases

arxiv: 1103.0989 · arxiv_version: 1103.0989v1 · doi: 10.48550/arxiv.1103.0989 · pith_short_12: SPFLSEPCNLNH · pith_short_16: SPFLSEPCNLNHPNAR · pith_short_8: SPFLSEPC

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/SPFLSEPCNLNHPNARXMBYKDQOWB \
  | 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: 93cab911e26ada77b411bb03850e0eb06299dae438c4099daa88b72d0a2b931b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bea1cbcaa8517d33b18b15c1576148e4ad5da8f4715d9540d08d17ca64ee95f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-04T21:55:22Z",
    "title_canon_sha256": "b319ebcfd8c95cb4140bafa32ee2a9f4ed3f2599c4afa26d1db9a5bb602d9ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0989",
    "kind": "arxiv",
    "version": 1
  }
}