Pith Number

pith:HHKEBJO2

pith:2014:HHKEBJO2JDAW5AP2AIU3EQFUBG

not attested not anchored not stored refs pending

Modeling the Infrared Interstellar Extinction

Aigen Li, B.W. Jiang, Shu Wang

arxiv:1403.7266 v1 · 2014-03-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHKEBJO2JDAW5AP2AIU3EQFUBG}

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	2026-05-18T01:43:44.473432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d440a5da48c16e81fa0229b240b409beef53907137d9fb0fb0889fc4f912dc

Aliases

arxiv: 1403.7266 · arxiv_version: 1403.7266v1 · doi: 10.48550/arxiv.1403.7266 · pith_short_12: HHKEBJO2JDAW · pith_short_16: HHKEBJO2JDAW5AP2 · pith_short_8: HHKEBJO2

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/HHKEBJO2JDAW5AP2AIU3EQFUBG \
  | 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: 39d440a5da48c16e81fa0229b240b409beef53907137d9fb0fb0889fc4f912dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd1b6488a8ef5faedd426093002bf7b3d86ef330fae292140a666a359e2cbbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-28T01:36:10Z",
    "title_canon_sha256": "b0f818dff7002c00306b525f1ef6360b9bcddf93bc779ef303919876dceea0a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7266",
    "kind": "arxiv",
    "version": 1
  }
}