Pith Number

pith:EOTKFAN3

pith:2015:EOTKFAN37DKLOXD3HSTBO2LX67

not attested not anchored not stored refs pending

The origin of dust extinction curves with or without the 2175 A bump in galaxies: The case of the Magellanic Clouds

Hiroyuki Hirashita, Kenji Bekki, Takuji Tsujimoto

arxiv:1507.03327 v1 · 2015-07-13 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOTKFAN37DKLOXD3HSTBO2LX67}

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	2026-05-18T01:33:42.520527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a6a281bbf8d4b75c7b3ca6176977f7dcfc13ad5d1d01f21fd1c17961924501

Aliases

arxiv: 1507.03327 · arxiv_version: 1507.03327v1 · doi: 10.48550/arxiv.1507.03327 · pith_short_12: EOTKFAN37DKL · pith_short_16: EOTKFAN37DKLOXD3 · pith_short_8: EOTKFAN3

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/EOTKFAN37DKLOXD3HSTBO2LX67 \
  | 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: 23a6a281bbf8d4b75c7b3ca6176977f7dcfc13ad5d1d01f21fd1c17961924501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f09bdc8911b35432a16085345160b7e3b04a993371862063a22dc80128a365",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-13T04:53:15Z",
    "title_canon_sha256": "86af176ec1eb418957ae67dd449a76cc7523e8dfc9616eccf847c3555aaaa15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03327",
    "kind": "arxiv",
    "version": 1
  }
}