Pith Number

pith:PUNXQUNN

pith:2015:PUNXQUNNLLDLUUEEAUBK63XCDL

not attested not anchored not stored refs pending

Type Ia Supernovae and their Environment: Theory and Applications to SN 2014J

Paul Dragulin, Peter Hoeflich

arxiv:1512.01164 v2 · 2015-12-03 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUNXQUNNLLDLUUEEAUBK63XCDL}

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	2026-05-18T01:20:41.377352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1b7851ad5ac6ba50840502af6ee21ad6ff873a0b7834eab5124dc315565ba4

Aliases

arxiv: 1512.01164 · arxiv_version: 1512.01164v2 · doi: 10.48550/arxiv.1512.01164 · pith_short_12: PUNXQUNNLLDL · pith_short_16: PUNXQUNNLLDLUUEE · pith_short_8: PUNXQUNN

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/PUNXQUNNLLDLUUEEAUBK63XCDL \
  | 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: 7d1b7851ad5ac6ba50840502af6ee21ad6ff873a0b7834eab5124dc315565ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5df8460e00a856b73830884d67e36cb67220163031cc038d2bfa1b94cb3879",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-03T17:16:47Z",
    "title_canon_sha256": "064a384032f64834a9bf743d4339cf9cb05df3cbefd17c75de4d4f7e1ed082e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01164",
    "kind": "arxiv",
    "version": 2
  }
}