Pith Number

pith:NVJJHMZF

pith:2012:NVJJHMZF2KPVRT7TUVA4T5DB24

not attested not anchored not stored refs pending

The Spectroscopic Diversity of Type Ia Supernovae

A. G. Riess, B. P. Schmidt, K. S. Mandel, M. Calkins, M. Modjaz, P. Berlind, P. Challis, P. M. Garnavich, R. P. Kirshner, S. Blondin, S. W. Jha, T. Matheson

arxiv:1203.4832 v2 · 2012-03-21 · astro-ph.SR · 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{NVJJHMZF2KPVRT7TUVA4T5DB24}

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	2026-05-18T03:57:24.284352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5293b325d29f58cff3a541c9f461d7191ebd10c8a1a67d13cf257087ac31d9

Aliases

arxiv: 1203.4832 · arxiv_version: 1203.4832v2 · doi: 10.48550/arxiv.1203.4832 · pith_short_12: NVJJHMZF2KPV · pith_short_16: NVJJHMZF2KPVRT7T · pith_short_8: NVJJHMZF

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/NVJJHMZF2KPVRT7TUVA4T5DB24 \
  | 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: 6d5293b325d29f58cff3a541c9f461d7191ebd10c8a1a67d13cf257087ac31d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea13b680db2147fdc148ae8a8ecf0fcf02643f579f71fdab8db668f539f0f037",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-21T20:33:17Z",
    "title_canon_sha256": "c8b294b294f75ce34dc17d8097bf6ae9c67bf3d53237a9e61773bd1cab7e37be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4832",
    "kind": "arxiv",
    "version": 2
  }
}