Pith Number

pith:6J7DXWEJ

pith:2013:6J7DXWEJSLM5PEZ4EAHU67PQBF

not attested not anchored not stored refs pending

Lesson learned from (some) recurrent novae

Elena Mason, Frederick M. Walters

arxiv:1303.2776 v1 · 2013-03-12 · 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{6J7DXWEJSLM5PEZ4EAHU67PQBF}

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	2026-05-18T03:31:08.113309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f27e3bd88992d9d7933c200f4f7df00949d05c4562251e3322b0e8f2dd4bc806

Aliases

arxiv: 1303.2776 · arxiv_version: 1303.2776v1 · doi: 10.48550/arxiv.1303.2776 · pith_short_12: 6J7DXWEJSLM5 · pith_short_16: 6J7DXWEJSLM5PEZ4 · pith_short_8: 6J7DXWEJ

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/6J7DXWEJSLM5PEZ4EAHU67PQBF \
  | 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: f27e3bd88992d9d7933c200f4f7df00949d05c4562251e3322b0e8f2dd4bc806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4db89348fadc3db15485ed3eee16046ba257b5f44edbd8b333e724287f1995f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-12T04:26:24Z",
    "title_canon_sha256": "6c3a6a97f26952f1adc5a51d1c5bfc1914eeaca977d0d44d0cdae2addc355b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2776",
    "kind": "arxiv",
    "version": 1
  }
}