Pith Number

pith:KNMK27V6

pith:2015:KNMK27V6RHZ57FFUAEZ3PCLBHJ

not attested not anchored not stored refs pending

The formation of Milky Way-mass disk galaxies in the first 500 million years of a cold dark matter universe

Ananth Tenneti, Nicholas Battaglia, Rupert Croft, Simeon Bird, Stephen Wilkins, Tiziana Di Matteo, Yu Feng

arxiv:1504.06618 v2 · 2015-04-24 · 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{KNMK27V6RHZ57FFUAEZ3PCLBHJ}

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	2026-05-18T01:35:48.346214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5358ad7ebe89f3df94b40133b789613a6af4d85135120eaf1a8766abedfc1c62

Aliases

arxiv: 1504.06618 · arxiv_version: 1504.06618v2 · doi: 10.48550/arxiv.1504.06618 · pith_short_12: KNMK27V6RHZ5 · pith_short_16: KNMK27V6RHZ57FFU · pith_short_8: KNMK27V6

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/KNMK27V6RHZ57FFUAEZ3PCLBHJ \
  | 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: 5358ad7ebe89f3df94b40133b789613a6af4d85135120eaf1a8766abedfc1c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "837e8e31b659e92b2f6b3c9e16507506dfa6aebbe2d97108866e7b7484657248",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-24T20:00:23Z",
    "title_canon_sha256": "7d64c3a9910043aca9d29e12ddd4875904f885e68ff30710ef7fdcc68ad228da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06618",
    "kind": "arxiv",
    "version": 2
  }
}