Pith Number

pith:2TVPBFFY

pith:2018:2TVPBFFYLD4FU7GG3SRJ4RWDUQ

not attested not anchored not stored refs pending

EDGES result versus CMB and low-redshift constraints on ionization histories

Olga Mena, Pablo Villanueva-Domingo, Samuel Witte, Sergio Palomares-Ruiz, Stefano Gariazzo

arxiv:1804.03888 v2 · 2018-04-11 · 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{2TVPBFFYLD4FU7GG3SRJ4RWDUQ}

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	2026-05-18T00:14:07.819566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4eaf094b858f85a7cc6dca29e46c3a4320e1534b544e834412a2f115ab3c6b8

Aliases

arxiv: 1804.03888 · arxiv_version: 1804.03888v2 · doi: 10.48550/arxiv.1804.03888 · pith_short_12: 2TVPBFFYLD4F · pith_short_16: 2TVPBFFYLD4FU7GG · pith_short_8: 2TVPBFFY

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/2TVPBFFYLD4FU7GG3SRJ4RWDUQ \
  | 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: d4eaf094b858f85a7cc6dca29e46c3a4320e1534b544e834412a2f115ab3c6b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8816032b467cfdd4f72b63a8eaf505310056f53de2775e9a0ce55fda44c037f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-11T09:22:50Z",
    "title_canon_sha256": "662c651728a8b9799b812df0f65822521e1ba36c92833a843d717f922abf3bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03888",
    "kind": "arxiv",
    "version": 2
  }
}