Pith Number

pith:2G7JYSTQ

pith:2014:2G7JYSTQYEYIFQCPAQYUKUZRO4

not attested not anchored not stored refs pending

Stability of small-scale baryon perturbations during cosmological recombination

Christopher Hirata, Tejaswi Venumadhav

arxiv:1409.1240 v2 · 2014-09-03 · 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{2G7JYSTQYEYIFQCPAQYUKUZRO4}

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	2026-05-18T01:35:32.841983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1be9c4a70c13082c04f04314553317732701fb37e67a003ec771cd01d061235

Aliases

arxiv: 1409.1240 · arxiv_version: 1409.1240v2 · doi: 10.48550/arxiv.1409.1240 · pith_short_12: 2G7JYSTQYEYI · pith_short_16: 2G7JYSTQYEYIFQCP · pith_short_8: 2G7JYSTQ

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/2G7JYSTQYEYIFQCPAQYUKUZRO4 \
  | 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: d1be9c4a70c13082c04f04314553317732701fb37e67a003ec771cd01d061235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9bbb53e2fb0eb497dbe69eef6e03029eda5e20eecfbca4d42a7d5bcd8096900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-03T20:00:43Z",
    "title_canon_sha256": "0c978b0ef69b6d39cccfabd84563be2348572b536d4ec8e2e91d8e9700aa7b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1240",
    "kind": "arxiv",
    "version": 2
  }
}