Pith Number

pith:ECLIWM2L

pith:2017:ECLIWM2LO5QTUI5LOQVUZIHI3V

not attested not anchored not stored refs pending

Large 21 cm signals from AGN-dominated reionization

Ewald Puchwein (Cambridge), Girish Kulkarni (Cambridge), Martin G. Haehnelt (Cambridge), Tirthankar Roy Choudhury (NCRA)

arxiv:1701.04408 v2 · 2017-01-16 · 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{ECLIWM2LO5QTUI5LOQVUZIHI3V}

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	2026-05-18T00:44:23.797949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20968b334b77613a23ab742b4ca0e8dd49eb56645bc78c065a4b509921491078

Aliases

arxiv: 1701.04408 · arxiv_version: 1701.04408v2 · doi: 10.48550/arxiv.1701.04408 · pith_short_12: ECLIWM2LO5QT · pith_short_16: ECLIWM2LO5QTUI5L · pith_short_8: ECLIWM2L

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/ECLIWM2LO5QTUI5LOQVUZIHI3V \
  | 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: 20968b334b77613a23ab742b4ca0e8dd49eb56645bc78c065a4b509921491078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7875d4f6c994f79b0638f91f5261f0e99f52a84af879cc7fa74b68ea7b51c822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-16T19:00:00Z",
    "title_canon_sha256": "dee1fd26d7c7edcb92a1c160cf0878b85be95edd790e6eda1f7d66fcbbe8ea84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04408",
    "kind": "arxiv",
    "version": 2
  }
}