Pith Number

pith:7KE4J4CB

pith:2017:7KE4J4CBB6ZPE65VGPEHA2KG3V

not attested not anchored not stored refs pending

A self-consistent 3D model of fluctuations in the helium-ionizing background

Frederick B. Davies, Keri L. Dixon, Steven R. Furlanetto

arxiv:1703.10177 v1 · 2017-03-29 · 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{7KE4J4CBB6ZPE65VGPEHA2KG3V}

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	2026-05-18T00:47:37.701127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa89c4f0410fb2f27bb533c8706946dd48228b37ece4563692e822ed5f2ef6b3

Aliases

arxiv: 1703.10177 · arxiv_version: 1703.10177v1 · doi: 10.48550/arxiv.1703.10177 · pith_short_12: 7KE4J4CBB6ZP · pith_short_16: 7KE4J4CBB6ZPE65V · pith_short_8: 7KE4J4CB

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/7KE4J4CBB6ZPE65VGPEHA2KG3V \
  | 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: fa89c4f0410fb2f27bb533c8706946dd48228b37ece4563692e822ed5f2ef6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d546c7d929e23f850de24a37bbb696c3e10ed581b1d19c259e0b854ef9c499ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-29T18:00:50Z",
    "title_canon_sha256": "e4128994aeeea19848a9d71382a5d765cc8ae9ae2a873d2a3c1adcc0189515a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10177",
    "kind": "arxiv",
    "version": 1
  }
}