Pith Number

pith:WILGFFIG

pith:2014:WILGFFIGFUJO6OHW5QC5GHKFB2

not attested not anchored not stored refs pending

Probing Interstellar Silicate Dust Grain Properties in Quasar Absorption Systems at Redshifts z<1.4

Daniel E. Welty, Debopam Som, Donald G. York, Giovanni Vladilo, Monique C. Aller, Varsha P. Kulkarni

arxiv:1405.0426 v1 · 2014-05-02 · 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{WILGFFIGFUJO6OHW5QC5GHKFB2}

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	2026-05-18T02:52:42.640898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2166295062d12ef38f6ec05d31d450e83508dd5045ebe5099265b815dd0b9a5

Aliases

arxiv: 1405.0426 · arxiv_version: 1405.0426v1 · doi: 10.48550/arxiv.1405.0426 · pith_short_12: WILGFFIGFUJO · pith_short_16: WILGFFIGFUJO6OHW · pith_short_8: WILGFFIG

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/WILGFFIGFUJO6OHW5QC5GHKFB2 \
  | 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: b2166295062d12ef38f6ec05d31d450e83508dd5045ebe5099265b815dd0b9a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4f7367938105578da863f15575055a4c3160458c1118e1d1006a3bec53de88c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-02T15:27:27Z",
    "title_canon_sha256": "25a7d89868a96dcaf202c36f19fb60557cb846317571ae7f57dbc80e2ba5300d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0426",
    "kind": "arxiv",
    "version": 1
  }
}