Pith Number

pith:PJ2UYLGP

pith:2025:PJ2UYLGPL2L7VGCII3GBINFWPB

not attested not anchored not stored refs pending

Constraints on the galaxy formation models during epoch of reionization with high redshift observations

Anshuman Acharya, Benedetta Ciardi, Ming Li, Qi Guo, Qing-Bo Ma, Xiao-Rong Chen, Xin Wang

arxiv:2504.19422 v1 · 2025-04-28 · 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{PJ2UYLGPL2L7VGCII3GBINFWPB}

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	2026-07-05T10:54:57.010123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a754c2ccf5e97fa984846cc1434b6784c65eb5243582e2f589cab7e451c8e26

Aliases

arxiv: 2504.19422 · arxiv_version: 2504.19422v1 · doi: 10.48550/arxiv.2504.19422 · pith_short_12: PJ2UYLGPL2L7 · pith_short_16: PJ2UYLGPL2L7VGCI · pith_short_8: PJ2UYLGP

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/PJ2UYLGPL2L7VGCII3GBINFWPB \
  | 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: 7a754c2ccf5e97fa984846cc1434b6784c65eb5243582e2f589cab7e451c8e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e78fa7e8a3aa36bfb267ec7784911601d70cef4736b31bd1bcf0f734a8fc5b5d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-28T02:14:02Z",
    "title_canon_sha256": "f552196546266129abb8331d28eea85a15c6372b97bb171d931029ef804b4c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19422",
    "kind": "arxiv",
    "version": 1
  }
}