Pith Number

pith:IDRBSSIA

pith:2019:IDRBSSIAEZ3DG3L5YPWCGYAXV6

not attested not anchored not stored refs pending

123-321 Models of Classical Novae

2), (2) IEEC Barcelona, (3) U Pisa), Jordi Casanova (2) ((1) UPC Barcelona, Jordi Jose (1, Steven N. Shore (3)

arxiv:1912.08443 v1 · 2019-12-18 · astro-ph.SR · astro-ph.HE · nucl-ex · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDRBSSIAEZ3DG3L5YPWCGYAXV6}

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	2026-07-05T00:37:01.530595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40e21949002676336d7dc3ec236017af818551b46dc143bdd0b5de6e79c4408d

Aliases

arxiv: 1912.08443 · arxiv_version: 1912.08443v1 · doi: 10.48550/arxiv.1912.08443 · pith_short_12: IDRBSSIAEZ3D · pith_short_16: IDRBSSIAEZ3DG3L5 · pith_short_8: IDRBSSIA

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/IDRBSSIAEZ3DG3L5YPWCGYAXV6 \
  | 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: 40e21949002676336d7dc3ec236017af818551b46dc143bdd0b5de6e79c4408d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd443b3c4101b8b055b97a5f58d09790b2c0ccd9f0e03fa958773d2a9b622efc",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-18T08:16:57Z",
    "title_canon_sha256": "a5256f7923f497426edf474f40dd5b955b5a47c5fc81e4ce1f6a80ee90dd09ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08443",
    "kind": "arxiv",
    "version": 1
  }
}