Pith Number

pith:LHCO4PH4

pith:2009:LHCO4PH4ZCYWOANAXSNFJ4DCX7

not attested not anchored not stored refs pending

Detectability of the 21 cm-CMB cross-correlation from the EoR

Hiroyuki Tashiro, Marian Douspis, Mathieu Langer, Nabila Aghanim, Saleem Zaroubi, Vibor Jelic

arxiv:0908.1632 v2 · 2009-08-12 · 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{LHCO4PH4ZCYWOANAXSNFJ4DCX7}

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	2026-05-18T02:12:35.201388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59c4ee3cfcc8b16701a0bc9a54f062bfe60fb13ad61f871ff1764ebe321558ce

Aliases

arxiv: 0908.1632 · arxiv_version: 0908.1632v2 · doi: 10.48550/arxiv.0908.1632 · pith_short_12: LHCO4PH4ZCYW · pith_short_16: LHCO4PH4ZCYWOANA · pith_short_8: LHCO4PH4

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/LHCO4PH4ZCYWOANAXSNFJ4DCX7 \
  | 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: 59c4ee3cfcc8b16701a0bc9a54f062bfe60fb13ad61f871ff1764ebe321558ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9ce0aed7bc978e73eceff5d5fef4bee7500c3c6c7ed05dd541840bfe35b16e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-12T08:06:01Z",
    "title_canon_sha256": "b311979f51835a0c49971a7c6733aa2a83715be1328d37b9356e72d18e132cb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1632",
    "kind": "arxiv",
    "version": 2
  }
}