Pith Number

pith:DJYLXAGR

pith:2018:DJYLXAGRVF2N5XP2QA3M36DIHP

not attested not anchored not stored refs pending

Constraining Baryon--Dark Matter Scattering with the Cosmic Dawn 21-cm Signal

Anastasia Fialkov (Harvard), Aviad Cohen (Tel Aviv University), Rennan Barkana (Tel Aviv University)

arxiv:1802.10577 v1 · 2018-02-28 · 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{DJYLXAGRVF2N5XP2QA3M36DIHP}

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	2026-05-18T00:11:05.970033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a70bb80d1a974deddfa8036cdf8683bfea20893da237a319a317931be6ea82e

Aliases

arxiv: 1802.10577 · arxiv_version: 1802.10577v1 · doi: 10.48550/arxiv.1802.10577 · pith_short_12: DJYLXAGRVF2N · pith_short_16: DJYLXAGRVF2N5XP2 · pith_short_8: DJYLXAGR

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/DJYLXAGRVF2N5XP2QA3M36DIHP \
  | 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: 1a70bb80d1a974deddfa8036cdf8683bfea20893da237a319a317931be6ea82e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3181a5ac3ee0260b7f3a832174ebc6e07c6fbddef805fbfa4bafebecfa22ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-02-28T18:35:37Z",
    "title_canon_sha256": "326a2598f92b6a4d888ebf3b7e6ad8442cfe1801c3804cb92d7b08ff92e357a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10577",
    "kind": "arxiv",
    "version": 1
  }
}