Pith Number

pith:JQRSEEBP

pith:2012:JQRSEEBPWLWO2EJKY72LQKAESP

not attested not anchored not stored refs pending

The Flavours of SN II Light Curves

Iair Arcavi

arxiv:1209.5474 v1 · 2012-09-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQRSEEBPWLWO2EJKY72LQKAESP}

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	2026-05-18T01:54:19.215017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c2322102fb2eced112ac7f4b8280493c9ba4713394fd9aa8a2c749dd3d90d3d

Aliases

arxiv: 1209.5474 · arxiv_version: 1209.5474v1 · doi: 10.48550/arxiv.1209.5474 · pith_short_12: JQRSEEBPWLWO · pith_short_16: JQRSEEBPWLWO2EJK · pith_short_8: JQRSEEBP

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/JQRSEEBPWLWO2EJKY72LQKAESP \
  | 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: 4c2322102fb2eced112ac7f4b8280493c9ba4713394fd9aa8a2c749dd3d90d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4391f8691b9d7ba115119222f2d25e5c74b0db12a2a6a5ed27a137ab526c9c0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-25T02:37:56Z",
    "title_canon_sha256": "247ce311e734ca85e6cbe2e31db8789a86b4760fe4f8f32ac2e79ff6b679dbc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5474",
    "kind": "arxiv",
    "version": 1
  }
}