Pith Number

pith:AHUG2D7C

pith:2021:AHUG2D7CJQYOLYN6K2L4VJSVKQ

not attested not anchored not stored refs pending

Using Action Space Clustering to Constrain the Accretion History of Milky Way like Galaxies

Andrew Wetzel, Katherine Freese, Monica Valluri, Nondh Panithanpaisal, Robyn E. Sanderson, Sanjib Sharma, Youjia Wu

arxiv:2104.08185 v2 · 2021-04-16 · 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{AHUG2D7CJQYOLYN6K2L4VJSVKQ}

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	2026-07-05T03:34:24.059770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01e86d0fe24c30e5e1be5697caa655543f031b1499c857bcf47aa38d55fa8d58

Aliases

arxiv: 2104.08185 · arxiv_version: 2104.08185v2 · doi: 10.48550/arxiv.2104.08185 · pith_short_12: AHUG2D7CJQYO · pith_short_16: AHUG2D7CJQYOLYN6 · pith_short_8: AHUG2D7C

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/AHUG2D7CJQYOLYN6K2L4VJSVKQ \
  | 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: 01e86d0fe24c30e5e1be5697caa655543f031b1499c857bcf47aa38d55fa8d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d84aae374a79e8d988a40554bf7d4827e8ff51bbf7c06a2fbae5f6347e5087d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-16T15:56:09Z",
    "title_canon_sha256": "33ce6f07c8345535aadb2f5aa6a1370528aa052b30379344a1bc8e8508dee9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08185",
    "kind": "arxiv",
    "version": 2
  }
}