Pith Number

pith:6CKI5GVJ

pith:2011:6CKI5GVJK25CSMWZCYJ7KAOMDL

not attested not anchored not stored refs pending

Detecting the redshifted 21cm forest during reionization

Cambridge), J. Stuart B. Wyithe (Melbourne), Katherine J. Mack (IoA/KICC

arxiv:1101.5431 v2 · 2011-01-28 · 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{6CKI5GVJK25CSMWZCYJ7KAOMDL}

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	2026-05-18T02:03:21.009911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0948e9aa956ba2932d91613f501cc1ad5eb5599250a81fc0a400ec6e0e39a25

Aliases

arxiv: 1101.5431 · arxiv_version: 1101.5431v2 · doi: 10.48550/arxiv.1101.5431 · pith_short_12: 6CKI5GVJK25C · pith_short_16: 6CKI5GVJK25CSMWZ · pith_short_8: 6CKI5GVJ

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/6CKI5GVJK25CSMWZCYJ7KAOMDL \
  | 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: f0948e9aa956ba2932d91613f501cc1ad5eb5599250a81fc0a400ec6e0e39a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0df4701e80a8d65128d1460f59db21958e186d68ac961ad55452bad4a4f54aca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-28T03:00:42Z",
    "title_canon_sha256": "736b39864f9e8f5642f12569e7a791ff2d67b46eb45318289f94ad4492d36722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5431",
    "kind": "arxiv",
    "version": 2
  }
}