Pith Number

pith:IL6PRO75

pith:2025:IL6PRO75EW7J5SP3IDDN2WLWTM

not attested not anchored not stored refs pending

DeepCHART: Mapping the 3D dark matter density field from Ly$\alpha$ forest surveys using deep learning

Girish Kulkarni, Matteo Viel, Soumak Maitra (TIFR)

arxiv:2507.00135 v1 · 2025-06-30 · 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{IL6PRO75EW7J5SP3IDDN2WLWTM}

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	2026-06-03T14:05:45.431540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fcf8bbfd25be9ec9fb40c6dd59769b009913c763c4cb27448574a26d959e9e

Aliases

arxiv: 2507.00135 · arxiv_version: 2507.00135v1 · doi: 10.48550/arxiv.2507.00135 · pith_short_12: IL6PRO75EW7J · pith_short_16: IL6PRO75EW7J5SP3 · pith_short_8: IL6PRO75

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/IL6PRO75EW7J5SP3IDDN2WLWTM \
  | 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: 42fcf8bbfd25be9ec9fb40c6dd59769b009913c763c4cb27448574a26d959e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29e04ca994a2591fa1d615ecc1196fefab020f1b3234a33a8db2d16dd2200ed6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-06-30T18:00:06Z",
    "title_canon_sha256": "5c17bb46d0edbc5b40097a4560331cd02326d104e964fac24adfa309ff14def2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00135",
    "kind": "arxiv",
    "version": 1
  }
}