Pith Number

pith:Q63MF6XG

pith:2014:Q63MF6XGHC3ZTDLSTQ7TTGQYJI

not attested not anchored not stored refs pending

Evolution of grain size distribution in high-redshift dusty quasars: Integrating large amounts of dust and unusual extinction curves

Hiroyuki Hirashita, Ryosuke S. Asano, Takaya Nozawa, Tsutomu T. Takeuchi

arxiv:1410.7861 v1 · 2014-10-29 · 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{Q63MF6XGHC3ZTDLSTQ7TTGQYJI}

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	2026-05-18T01:41:39.051061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b6c2fae638b7998d729c3f399a184a3dcc8d2ab0ea43365062f920477ede35

Aliases

arxiv: 1410.7861 · arxiv_version: 1410.7861v1 · doi: 10.48550/arxiv.1410.7861 · pith_short_12: Q63MF6XGHC3Z · pith_short_16: Q63MF6XGHC3ZTDLS · pith_short_8: Q63MF6XG

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/Q63MF6XGHC3ZTDLSTQ7TTGQYJI \
  | 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: 87b6c2fae638b7998d729c3f399a184a3dcc8d2ab0ea43365062f920477ede35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d1a2d4d948cf88bbc9c04acfff65483463fb5d9f6ebd299151ed40c3949602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-29T02:09:56Z",
    "title_canon_sha256": "f4e77eb20f553764bfff23c865a222df1f7144f89398102dd9723f6f724bf197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7861",
    "kind": "arxiv",
    "version": 1
  }
}