Pith Number

pith:3POIRB6S

pith:2015:3POIRB6SAVZFCSQLUZDKX2A4HE

not attested not anchored not stored refs pending

The Milky Way system in LCDM cosmological simulations

Andrew Cooper, Carlos Frenk, John Helly, Qi Guo, Wojciech Hellwing

arxiv:1503.08508 v1 · 2015-03-30 · astro-ph.GA · 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{3POIRB6SAVZFCSQLUZDKX2A4HE}

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	2026-05-18T01:31:39.981440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdc8887d20572514a0ba646abe81c390d5104f36821f80289036c2d9ecc7998

Aliases

arxiv: 1503.08508 · arxiv_version: 1503.08508v1 · doi: 10.48550/arxiv.1503.08508 · pith_short_12: 3POIRB6SAVZF · pith_short_16: 3POIRB6SAVZFCSQL · pith_short_8: 3POIRB6S

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/3POIRB6SAVZFCSQLUZDKX2A4HE \
  | 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: dbdc8887d20572514a0ba646abe81c390d5104f36821f80289036c2d9ecc7998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe0c478adff0c406ff80ea399ce4833e5e5a73064797979f093f9e5ae183d28",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-30T00:11:18Z",
    "title_canon_sha256": "84e23401f903d6a43346d832cf25a995359537161c599e90eb4bc05bb1e22075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08508",
    "kind": "arxiv",
    "version": 1
  }
}