Pith Number

pith:ZPSMPERI

pith:2015:ZPSMPERI3EK3ZSK2ARMCDJM42A

not attested not anchored not stored refs pending

The Progenitors of the Milky Way Stellar Halo: Big Bricks Favoured over Little Bricks

A. J. Deason (UCSC), D. R. Weisz (UW), V. Belokurov (Cambridge)

arxiv:1501.02806 v1 · 2015-01-12 · 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{ZPSMPERI3EK3ZSK2ARMCDJM42A}

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	2026-05-18T01:41:11.490649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe4c79228d915bcc95a045821a59cd00578c4537c868c6e7cc5beb13ef632c2

Aliases

arxiv: 1501.02806 · arxiv_version: 1501.02806v1 · doi: 10.48550/arxiv.1501.02806 · pith_short_12: ZPSMPERI3EK3 · pith_short_16: ZPSMPERI3EK3ZSK2 · pith_short_8: ZPSMPERI

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/ZPSMPERI3EK3ZSK2ARMCDJM42A \
  | 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: cbe4c79228d915bcc95a045821a59cd00578c4537c868c6e7cc5beb13ef632c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab88d148056937ebbe88645637a43a6d37d2e97222aaca0e361b4f14fe10e04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-12T21:00:12Z",
    "title_canon_sha256": "43eabf918fb5c56630ec78dc72659dd4d5b1c923913114e52d5653a8d207e0a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02806",
    "kind": "arxiv",
    "version": 1
  }
}