Pith Number

pith:AHAPZPVL

pith:2014:AHAPZPVLRFKYZ55BVF7KW7E76X

not attested not anchored not stored refs pending

The Reionization of Carbon

B. D. Oppenheimer, E. Zackrisson, K. Finlator, R. Dav\'e, R. Thompson, S. Huang

arxiv:1412.4810 v2 · 2014-12-15 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHAPZPVLRFKYZ55BVF7KW7E76X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:41:18.993014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c0fcbeab89558cf7a1a97eab7c9ff5ea2aaf635fa6a6db4bcf7772dc1dbb49

Aliases

arxiv: 1412.4810 · arxiv_version: 1412.4810v2 · doi: 10.48550/arxiv.1412.4810 · pith_short_12: AHAPZPVLRFKY · pith_short_16: AHAPZPVLRFKYZ55B · pith_short_8: AHAPZPVL

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/AHAPZPVLRFKYZ55BVF7KW7E76X \
  | 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: 01c0fcbeab89558cf7a1a97eab7c9ff5ea2aaf635fa6a6db4bcf7772dc1dbb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ec75a7062a445cccde1c93bcfb2ebbb0ed7acc5868156470d88093949c4f31",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-12-15T21:31:08Z",
    "title_canon_sha256": "09a124e55f04751c2f5dd3fec973d126bb045177a5f4ee4e71a6e72378d99abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4810",
    "kind": "arxiv",
    "version": 2
  }
}