Pith Number

pith:4OZHMJPO

pith:2012:4OZHMJPOSPPXG7ZVOT6CM7GO4O

not attested not anchored not stored refs pending

Constraints on Shallow 56Ni from the Early Lightcurves of Type Ia Supernovae

Anthony L. Piro (Caltech), Ehud Nakar (Tel Aviv University)

arxiv:1211.6438 v2 · 2012-11-27 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OZHMJPOSPPXG7ZVOT6CM7GO4O}

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.

Cited by

1 paper in Pith

Type Ia supernovae

Receipt and verification

First computed	2026-05-18T01:52:54.186130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b27625ee93df737f3574fc267ccee3b40af04f4bfd0d72c1b31094a03a73c4

Aliases

arxiv: 1211.6438 · arxiv_version: 1211.6438v2 · doi: 10.48550/arxiv.1211.6438 · pith_short_12: 4OZHMJPOSPPX · pith_short_16: 4OZHMJPOSPPXG7ZV · pith_short_8: 4OZHMJPO

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/4OZHMJPOSPPXG7ZVOT6CM7GO4O \
  | 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: e3b27625ee93df737f3574fc267ccee3b40af04f4bfd0d72c1b31094a03a73c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5dfc11c7902405e84f83c349049a41d4d13fd611accc362812dd0da22eedc06",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-27T21:00:04Z",
    "title_canon_sha256": "94a404094816416fbc359c4de7225cd6cf02425d57b7436ff47eeda2a83d8b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6438",
    "kind": "arxiv",
    "version": 2
  }
}