Pith Number

pith:XQA7REFI

pith:2011:XQA7REFIIGH7YVMHCIT6CADQDW

not attested not anchored not stored refs pending

Exploring dust extinction at the edge of reionization

1 Nial R. Tanvir (2), (2) Univ. Leicester, (3) Univ. Warwick), Darach J. Watson (1), Johan P. U. Fynbo (1), Rhaana L. C. Starling (2) Andrew J. Levan (3) ((1) DARK, Tayyaba Zafar (1)

arxiv:1101.1503 v2 · 2011-01-07 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQA7REFIIGH7YVMHCIT6CADQDW}

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	2026-05-18T02:23:00.003164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc01f890a8418ffc55871227e100701daa38dc2b59ae90294e779564b942e759

Aliases

arxiv: 1101.1503 · arxiv_version: 1101.1503v2 · doi: 10.48550/arxiv.1101.1503 · pith_short_12: XQA7REFIIGH7 · pith_short_16: XQA7REFIIGH7YVMH · pith_short_8: XQA7REFI

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/XQA7REFIIGH7YVMHCIT6CADQDW \
  | 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: bc01f890a8418ffc55871227e100701daa38dc2b59ae90294e779564b942e759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b099dd4b44fec980f5284dedf58741c8492990277ae2d7a61ec348904d8b2d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-07T19:14:00Z",
    "title_canon_sha256": "67e4812c0ba0587b514491c2a2af5f4cd4deaa3dbf1e716c0dc3ec1c45f8bd49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1503",
    "kind": "arxiv",
    "version": 2
  }
}