Pith Number

pith:FFOM2Y54

pith:2018:FFOM2Y54JDOV2MT5RK2IMJN3IK

not attested not anchored not stored refs pending

Heating of the intergalactic medium by the cosmic microwave background during cosmic dawn

Alexander Kaurov, Liang Dai, Matias Zaldarriaga, Tejaswi Venumadhav

arxiv:1804.02406 v1 · 2018-04-06 · 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{FFOM2Y54JDOV2MT5RK2IMJN3IK}

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.

Cited by

1 paper in Pith

Dark ages bounds on non-accreting massive compact halo objects

Receipt and verification

First computed	2026-05-18T00:00:21.600741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295ccd63bc48dd5d327d8ab48625bb429ebd9c5aa1c0386878daafe1c5b67af7

Aliases

arxiv: 1804.02406 · arxiv_version: 1804.02406v1 · doi: 10.48550/arxiv.1804.02406 · pith_short_12: FFOM2Y54JDOV · pith_short_16: FFOM2Y54JDOV2MT5 · pith_short_8: FFOM2Y54

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/FFOM2Y54JDOV2MT5RK2IMJN3IK \
  | 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: 295ccd63bc48dd5d327d8ab48625bb429ebd9c5aa1c0386878daafe1c5b67af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ca2df1fc212346877a8f6bccf07d45ed0dd77d6e682169be740436fae6ba96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-06T18:00:09Z",
    "title_canon_sha256": "e0afeb16dfc23ff9316d93f7feb0df20a36e605a57bef8888a351c0cbd3f7cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02406",
    "kind": "arxiv",
    "version": 1
  }
}