Pith Number

pith:PE3BYLWG

pith:2019:PE3BYLWGTMIOOUIKKMIN5CTLWS

not attested not anchored not stored refs pending

Dust Extinction towards the Type Ia Supernova 2012cu in NGC 4772

Biwei Jiang, Jian Gao, Jun Li, Ruining Zhao, Weijia Gao

arxiv:1901.04103 v1 · 2019-01-14 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PE3BYLWGTMIOOUIKKMIN5CTLWS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:26.282375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79361c2ec69b10e7510a5310de8a6bb4b4520bfd5f2a0f03bc212f10b81258f5

Aliases

arxiv: 1901.04103 · arxiv_version: 1901.04103v1 · doi: 10.48550/arxiv.1901.04103 · pith_short_12: PE3BYLWGTMIO · pith_short_16: PE3BYLWGTMIOOUIK · pith_short_8: PE3BYLWG

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/PE3BYLWGTMIOOUIKKMIN5CTLWS \
  | 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: 79361c2ec69b10e7510a5310de8a6bb4b4520bfd5f2a0f03bc212f10b81258f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2e791a9cb23933547bbec2e352abb174905655f3e8629656382e5af6719fc0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-14T01:38:45Z",
    "title_canon_sha256": "70117b730ec5041164c9157f0dd72a28b20737fe9b1ff3269b83dcab8b915e7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04103",
    "kind": "arxiv",
    "version": 1
  }
}