Pith Number

pith:TXP3F6IZ

pith:2012:TXP3F6IZ4DTGMZQLEUTR5UEKZY

not attested not anchored not stored refs pending

Internal Robustness: systematic search for systematic bias in SN Ia data

Luca Amendola, Miguel Quartin, Valerio Marra

arxiv:1209.1897 v2 · 2012-09-10 · astro-ph.CO · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXP3F6IZ4DTGMZQLEUTR5UEKZY}

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	2026-05-18T03:27:54.614246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ddfb2f919e0e666660b25271ed08ace3004ae69dc88217959b3f32869fc8dcd

Aliases

arxiv: 1209.1897 · arxiv_version: 1209.1897v2 · doi: 10.48550/arxiv.1209.1897 · pith_short_12: TXP3F6IZ4DTG · pith_short_16: TXP3F6IZ4DTGMZQL · pith_short_8: TXP3F6IZ

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/TXP3F6IZ4DTGMZQLEUTR5UEKZY \
  | 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: 9ddfb2f919e0e666660b25271ed08ace3004ae69dc88217959b3f32869fc8dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "646fc4fcd7652a89db164f81968c74fa3ab9cd0604a94815cf4361850ea2199e",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-10T08:07:14Z",
    "title_canon_sha256": "bc839b0eae223a74c7db72a6d5444657b78289e915e4080ce8985119f20be81d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1897",
    "kind": "arxiv",
    "version": 2
  }
}