Pith Number

pith:3MI4YXZ2

pith:2025:3MI4YXZ2UE7H652KYJJSDOIFXD

not attested not anchored not stored refs pending

Artifacts in Halo Shapes: Imprints of the Initial Condition

Yu Yu, Zhao Chen

arxiv:2507.16745 v1 · 2025-07-22 · 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{3MI4YXZ2UE7H652KYJJSDOIFXD}

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	2026-07-05T11:41:30.252491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db11cc5f3aa13e7f774ac25321b905b8d4e9cf859ed26f0f6bc6344296af99e3

Aliases

arxiv: 2507.16745 · arxiv_version: 2507.16745v1 · doi: 10.48550/arxiv.2507.16745 · pith_short_12: 3MI4YXZ2UE7H · pith_short_16: 3MI4YXZ2UE7H652K · pith_short_8: 3MI4YXZ2

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/3MI4YXZ2UE7H652KYJJSDOIFXD \
  | 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: db11cc5f3aa13e7f774ac25321b905b8d4e9cf859ed26f0f6bc6344296af99e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d550c11b8cc997721ca9037c58689afba0a0c47bcbbbe2b80f65e6c2004003b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-22T16:34:49Z",
    "title_canon_sha256": "38559ab1ba27acb241dafcc63f90975f0bae9974910cf0be9e73e86a0fa4f1b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16745",
    "kind": "arxiv",
    "version": 1
  }
}