Pith Number

pith:JIKBJV4I

pith:2012:JIKBJV4IKBSJCK4D2JGXDTGCKM

not attested not anchored not stored refs pending

The Diffuse Gamma-ray Background from Type Ia Supernovae

Amy Lien, Brian D. Fields

arxiv:1201.3447 v1 · 2012-01-17 · astro-ph.CO · 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{JIKBJV4IKBSJCK4D2JGXDTGCKM}

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	2026-05-18T01:58:48.353686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a1414d7885064912b83d24d71ccc2530ac07ff6ce69f90666f904108e60f65b

Aliases

arxiv: 1201.3447 · arxiv_version: 1201.3447v1 · doi: 10.48550/arxiv.1201.3447 · pith_short_12: JIKBJV4IKBSJ · pith_short_16: JIKBJV4IKBSJCK4D · pith_short_8: JIKBJV4I

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/JIKBJV4IKBSJCK4D2JGXDTGCKM \
  | 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: 4a1414d7885064912b83d24d71ccc2530ac07ff6ce69f90666f904108e60f65b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89c091b0f491d3907ef37a22c1ac8e89f5a8d8f485f564e9f8adc98aee53a50c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-17T07:58:07Z",
    "title_canon_sha256": "8181b552859d8b08e9609662646f6bfd9a5b516d528392918502f143e9a636c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3447",
    "kind": "arxiv",
    "version": 1
  }
}