Pith Number

pith:KT5Z2JUL

pith:2009:KT5Z2JULVHB2M2RPQS6U6JYLJC

not attested not anchored not stored refs pending

The contribution of the IGM and minihalos to the 21 cm signal of reionization

Benedetta Ciardi, Bin Yue, Evan Scannapieco, Xuelei Chen

arxiv:0906.3105 v1 · 2009-06-17 · 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{KT5Z2JULVHB2M2RPQS6U6JYLJC}

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	2026-05-18T02:13:19.523809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54fb9d268ba9c3a66a2f84bd4f270b48a0b197499a74aaf5615c1c497273a129

Aliases

arxiv: 0906.3105 · arxiv_version: 0906.3105v1 · doi: 10.48550/arxiv.0906.3105 · pith_short_12: KT5Z2JULVHB2 · pith_short_16: KT5Z2JULVHB2M2RP · pith_short_8: KT5Z2JUL

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/KT5Z2JULVHB2M2RPQS6U6JYLJC \
  | 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: 54fb9d268ba9c3a66a2f84bd4f270b48a0b197499a74aaf5615c1c497273a129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3116aa244e1ddaccd86d03418b090185417960665ad1ba6ed7dd629a0a4a383e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-17T08:20:20Z",
    "title_canon_sha256": "3ea2e24616d52a3c8945a94f985ce6a3cf4d2da2dd8265e4255a38538943dad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3105",
    "kind": "arxiv",
    "version": 1
  }
}