Pith Number

pith:SDAIBSS6

pith:2021:SDAIBSS6YTPBONSDIIVBAWVS7F

not attested not anchored not stored refs pending

Machine learning astrophysics from 21 cm lightcones: impact of network architectures and signal contamination

Andrei Mesinger, David Prelogovi\'c, Giuseppe Fiameni, Nicolas Gillet, Steven Murray

arxiv:2107.00018 v2 · 2021-06-30 · 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{SDAIBSS6YTPBONSDIIVBAWVS7F}

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	2026-07-05T03:57:27.092502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c080ca5ec4de173643422a105ab2f94183718093cb6198b886501151f2d2f4

Aliases

arxiv: 2107.00018 · arxiv_version: 2107.00018v2 · doi: 10.48550/arxiv.2107.00018 · pith_short_12: SDAIBSS6YTPB · pith_short_16: SDAIBSS6YTPBONSD · pith_short_8: SDAIBSS6

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/SDAIBSS6YTPBONSDIIVBAWVS7F \
  | 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: 90c080ca5ec4de173643422a105ab2f94183718093cb6198b886501151f2d2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd76f9e3c9db28dceac4751169e9c3851756c21a8fce7a02bf1b258786a0efff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-30T18:00:02Z",
    "title_canon_sha256": "5fb110da31388c673d85d38a1e21be042434038e062daf2e3a9c623c775f5e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00018",
    "kind": "arxiv",
    "version": 2
  }
}