Pith Number

pith:3ADS7RJ7

pith:2020:3ADS7RJ7WOSSRRUQQVB4IQIDEI

not attested not anchored not stored refs pending

Detecting Helium Reionization with Fast Radio Bursts

Eric V. Linder

arxiv:2001.11517 v2 · 2020-01-30 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ADS7RJ7WOSSRRUQQVB4IQIDEI}

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	2026-07-05T01:02:58.251363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8072fc53fb3a528c6908543c44103223df7c840fdf8952cc09375d53f5f254c

Aliases

arxiv: 2001.11517 · arxiv_version: 2001.11517v2 · doi: 10.48550/arxiv.2001.11517 · pith_short_12: 3ADS7RJ7WOSS · pith_short_16: 3ADS7RJ7WOSSRRUQ · pith_short_8: 3ADS7RJ7

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/3ADS7RJ7WOSSRRUQQVB4IQIDEI \
  | 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: d8072fc53fb3a528c6908543c44103223df7c840fdf8952cc09375d53f5f254c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71064b3e38eb777a2747020f948a822491beb877b3862c79af659bea48491d4f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-01-30T19:00:07Z",
    "title_canon_sha256": "bd55489e8e1b875c5bcfb26987354520f4026cb85e963267fcb68d9cd25d3a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11517",
    "kind": "arxiv",
    "version": 2
  }
}