Pith Number

pith:HXY6W3GS

pith:2007:HXY6W3GSGZ5UB2JC3ZB36KR7HC

not attested not anchored not stored refs pending

Fluctuations in 21cm Emission After Reionization

Abraham Loeb, Stuart Wyithe

arxiv:0708.3392 v1 · 2007-08-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXY6W3GSGZ5UB2JC3ZB36KR7HC}

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.

Cited by

1 paper in Pith

Tracing the Neutrino-Induced Phase Shift in the 21-cm Spectrum

Receipt and verification

First computed	2026-05-18T02:16:22.051742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df1eb6cd2367b40e922de43bf2a3f388dee6a4c1eb8b1b466150270bcf0dc07

Aliases

arxiv: 0708.3392 · arxiv_version: 0708.3392v1 · doi: 10.48550/arxiv.0708.3392 · pith_short_12: HXY6W3GSGZ5U · pith_short_16: HXY6W3GSGZ5UB2JC · pith_short_8: HXY6W3GS

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/HXY6W3GSGZ5UB2JC3ZB36KR7HC \
  | 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: 3df1eb6cd2367b40e922de43bf2a3f388dee6a4c1eb8b1b466150270bcf0dc07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e575338a266cde70a322e54835906bea2a4335a1a2aca40d2ac75cc423b4285",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-26T23:01:04Z",
    "title_canon_sha256": "ac4a7818c313e45f7caffb2d21393162a4c9e77e09a7a2e7ae5d3b473dc77a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3392",
    "kind": "arxiv",
    "version": 1
  }
}