Pith Number

pith:W6E2HDPA

pith:2015:W6E2HDPAOWDAWHY4IWVEQJSNOD

not attested not anchored not stored refs pending

Detecting the cosmological recombination signal from space

Francesco De Bernardis, Jens Chluba, Joseph Silk, Olivier Dor\'e, Vincent Desjacques

arxiv:1503.05589 v1 · 2015-03-18 · 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{W6E2HDPAOWDAWHY4IWVEQJSNOD}

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	2026-05-18T02:20:58.633872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b789a38de075860b1f1c45aa48264d70eb545704b4a51398a460263eede1988b

Aliases

arxiv: 1503.05589 · arxiv_version: 1503.05589v1 · doi: 10.48550/arxiv.1503.05589 · pith_short_12: W6E2HDPAOWDA · pith_short_16: W6E2HDPAOWDAWHY4 · pith_short_8: W6E2HDPA

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/W6E2HDPAOWDAWHY4IWVEQJSNOD \
  | 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: b789a38de075860b1f1c45aa48264d70eb545704b4a51398a460263eede1988b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ea27fa8e87224395f64e9fd50b15d7075b97ac77ebef02b7054949c88d16b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-18T21:07:22Z",
    "title_canon_sha256": "8cadaaeb7ae91b1b7b12accfb6a722cb7169a744d9fb6bbc73626d9ee32db5ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05589",
    "kind": "arxiv",
    "version": 1
  }
}