Pith Number

pith:IWV62YW6

pith:2013:IWV62YW6QS23JB2KM4CBUQG3LU

not attested not anchored not stored refs pending

Considerations on the light curve of Nova Delphini 2013

Costantino Sigismondi

arxiv:1310.2763 v1 · 2013-10-10 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWV62YW6QS23JB2KM4CBUQG3LU}

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	2026-05-18T03:10:46.744401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45abed62de84b5b4874a67041a40db5d125926b359a1e71195e5e59d520678d7

Aliases

arxiv: 1310.2763 · arxiv_version: 1310.2763v1 · doi: 10.48550/arxiv.1310.2763 · pith_short_12: IWV62YW6QS23 · pith_short_16: IWV62YW6QS23JB2K · pith_short_8: IWV62YW6

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/IWV62YW6QS23JB2KM4CBUQG3LU \
  | 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: 45abed62de84b5b4874a67041a40db5d125926b359a1e71195e5e59d520678d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e0724154a31bba21001d16f1f0a4184e8bc4e1a1fc64908257d2a6d5c79e4a5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-10T10:39:33Z",
    "title_canon_sha256": "84e81022744cde466f9bd0f367c713ebb7923111fb2ed673c52fb38e30a48481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2763",
    "kind": "arxiv",
    "version": 1
  }
}