Pith Number

pith:3AKHDBTN

pith:2019:3AKHDBTNN32NKMSV77HMHKXBPW

not attested not anchored not stored refs pending

The Formation of Ultra-Diffuse Galaxies in the RomulusC Galaxy Cluster Simulation

Alyson M. Brooks, Anna C. Wright, Daisuke Nagai, Ferah Munshi, Michael Tremmel, Thomas R. Quinn

arxiv:1908.05684 v2 · 2019-08-15 · 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{3AKHDBTNN32NKMSV77HMHKXBPW}

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	2026-07-05T01:20:47.692939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81471866d6ef4d53255ffcec3aae17d84f954be4523c0dd211c8649adb14ed5

Aliases

arxiv: 1908.05684 · arxiv_version: 1908.05684v2 · doi: 10.48550/arxiv.1908.05684 · pith_short_12: 3AKHDBTNN32N · pith_short_16: 3AKHDBTNN32NKMSV · pith_short_8: 3AKHDBTN

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/3AKHDBTNN32NKMSV77HMHKXBPW \
  | 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: d81471866d6ef4d53255ffcec3aae17d84f954be4523c0dd211c8649adb14ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ae8a265e3b9be3bb4bd82a0335352ff0f4b79e72f5c9a5dbdbb85d962bebd07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-15T18:00:01Z",
    "title_canon_sha256": "fd9bd64c51e5e1424dd044046d997a991672eabedee8d90b3cb07a5a91e83156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05684",
    "kind": "arxiv",
    "version": 2
  }
}