Pith Number

pith:WZL3APKO

pith:2014:WZL3APKODARNMAXVCL3ERLDORF

not attested not anchored not stored refs pending

Milky Way dust extinction measured with QSOs

Christian Wolf

arxiv:1410.0109 v1 · 2014-10-01 · astro-ph.GA · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZL3APKODARNMAXVCL3ERLDORF}

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	2026-05-18T01:41:53.663893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b657b03d4e1822d602f512f648ac6e895864c9f29a73d21969736c3db7603ca9

Aliases

arxiv: 1410.0109 · arxiv_version: 1410.0109v1 · doi: 10.48550/arxiv.1410.0109 · pith_short_12: WZL3APKODARN · pith_short_16: WZL3APKODARNMAXV · pith_short_8: WZL3APKO

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/WZL3APKODARNMAXVCL3ERLDORF \
  | 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: b657b03d4e1822d602f512f648ac6e895864c9f29a73d21969736c3db7603ca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9ec794bb886fa25ec530a67ee85071858fed5c8fd4312eaee3fab90bcc172e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-01T05:06:57Z",
    "title_canon_sha256": "8c7834094401d1fad2499eed5e46e60db1367cfa396616116f053ee482141695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0109",
    "kind": "arxiv",
    "version": 1
  }
}