Pith Number

pith:GCIUEW4T

pith:2019:GCIUEW4TCBA4DAUH2YGIKUACLB

not attested not anchored not stored refs pending

The contribution from stars stripped in binaries to cosmic reionization of hydrogen and helium

C. Norman, E. Zapartas, J.H. Groh, M. McQuinn, S.E. de Mink, Y. Gotberg

arxiv:1911.00543 v1 · 2019-11-01 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCIUEW4TCBA4DAUH2YGIKUACLB}

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	2026-07-05T00:43:40.053777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3091425b931041c18287d60c85500258507feae9d6f0a4d87e30db0cf374bd14

Aliases

arxiv: 1911.00543 · arxiv_version: 1911.00543v1 · doi: 10.48550/arxiv.1911.00543 · pith_short_12: GCIUEW4TCBA4 · pith_short_16: GCIUEW4TCBA4DAUH · pith_short_8: GCIUEW4T

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/GCIUEW4TCBA4DAUH2YGIKUACLB \
  | 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: 3091425b931041c18287d60c85500258507feae9d6f0a4d87e30db0cf374bd14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e78f65bb401357156ee3fe3a2c13b201e17c64305603cf695abdf6cfa54d2cc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-01T18:29:49Z",
    "title_canon_sha256": "43059b7a356ce67bfb7f077519178c83a784fb149fb35e40908ee530cd640bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00543",
    "kind": "arxiv",
    "version": 1
  }
}