Pith Number

pith:HNQSFTVE

pith:2012:HNQSFTVEMZFQLDIULWI5PQZVKL

not attested not anchored not stored refs pending

On Absorption by Circumstellar Dust, With the Progenitor of SN2012aw as a Case Study

2), (2) Center for Cosmology, (3) Department of Physics, Astronomy, AstroParticle Physics, C.S. Kochanek (1, R. Khan (1), The Ohio State University, University of Oklahoma), X. Dai (3) ((1) Department of Astronomy

arxiv:1208.4111 v1 · 2012-08-20 · 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{HNQSFTVEMZFQLDIULWI5PQZVKL}

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	2026-05-18T01:55:09.042652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6122cea4664b058d145d91d7c33552d9ee3368e02eaafd6bf89d55c421c111

Aliases

arxiv: 1208.4111 · arxiv_version: 1208.4111v1 · doi: 10.48550/arxiv.1208.4111 · pith_short_12: HNQSFTVEMZFQ · pith_short_16: HNQSFTVEMZFQLDIU · pith_short_8: HNQSFTVE

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/HNQSFTVEMZFQLDIULWI5PQZVKL \
  | 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: 3b6122cea4664b058d145d91d7c33552d9ee3368e02eaafd6bf89d55c421c111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da062414afde268a4c6e88ffb5fee4a178e2ec847069c057c56617abb3652560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-20T20:02:06Z",
    "title_canon_sha256": "8e256bdb01154af78cd9af738b2d99dcb9ad7ffe7243b0ebc1e5cc7d2f1023ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4111",
    "kind": "arxiv",
    "version": 1
  }
}