Pith Number

pith:ACCVQU4A

pith:2013:ACCVQU4AVXKAU4RTELGNU4Y2AS

not attested not anchored not stored refs pending

Grouping Normal Type Ia Supernovae by UV to Optical Color Differences

Filomena Bufano, Neil Gehrels, Peter A.Milne, Peter J. Brown, Peter W. A. Roming

arxiv:1308.2703 v2 · 2013-08-12 · 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{ACCVQU4AVXKAU4RTELGNU4Y2AS}

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	2026-05-18T01:48:16.122285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0085585380add40a723322ccda731a049e22ed6752543a51edf054506ef18adf

Aliases

arxiv: 1308.2703 · arxiv_version: 1308.2703v2 · doi: 10.48550/arxiv.1308.2703 · pith_short_12: ACCVQU4AVXKA · pith_short_16: ACCVQU4AVXKAU4RT · pith_short_8: ACCVQU4A

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/ACCVQU4AVXKAU4RTELGNU4Y2AS \
  | 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: 0085585380add40a723322ccda731a049e22ed6752543a51edf054506ef18adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dfccc3f795f6c0bc8f39db665a0fd475e6df8975206c4fd04ba0d5e83c67f0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-12T21:29:01Z",
    "title_canon_sha256": "f650504528b0ea57aa5cccaa34eaf60a802c9053e0d8e580de34005cfd3cf279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2703",
    "kind": "arxiv",
    "version": 2
  }
}