Pith Number

pith:GITBM2XW

pith:2010:GITBM2XWITWKA5I56X7D3EYWXV

not attested not anchored not stored refs pending

Probing the first galaxies with the SKA

A. Cooray, J. R. Pritchard, M. B. Silva, M. G. Santos, R. Cen

arxiv:1009.0950 v2 · 2010-09-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GITBM2XWITWKA5I56X7D3EYWXV}

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	2026-05-18T04:28:45.493460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3226166af644eca0751df5fe3d9316bd51060c23f50ff3dd698744f435ede486

Aliases

arxiv: 1009.0950 · arxiv_version: 1009.0950v2 · doi: 10.48550/arxiv.1009.0950 · pith_short_12: GITBM2XWITWK · pith_short_16: GITBM2XWITWKA5I5 · pith_short_8: GITBM2XW

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/GITBM2XWITWKA5I56X7D3EYWXV \
  | 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: 3226166af644eca0751df5fe3d9316bd51060c23f50ff3dd698744f435ede486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4339103d2a5033fe677faaf4a72edd49da56a6cb1b31ec42e51ffc035515e51c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-05T21:13:15Z",
    "title_canon_sha256": "7fbb4557d3e17b62a6cd757dd7f873c44936d4eac9d8acfcf0473e0ab907a6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0950",
    "kind": "arxiv",
    "version": 2
  }
}