Pith Number

pith:NCVQSHJ6

pith:2021:NCVQSHJ6RL2UWVERJSVPN6CVX7

not attested not anchored not stored refs pending

The impact of galactic feedback on the shapes of dark-matter haloes

Annalisa Pillepich, Kun Ting Eddie Chua, Lars Hernquist, Mark Vogelsberger

arxiv:2109.00012 v1 · 2021-08-31 · 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{NCVQSHJ6RL2UWVERJSVPN6CVX7}

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	2026-07-05T04:45:11.786140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ab091d3e8af54b54914caaf6f855bfe1e9b1f3764ab9a2c07c9cd4b61156d4

Aliases

arxiv: 2109.00012 · arxiv_version: 2109.00012v1 · doi: 10.48550/arxiv.2109.00012 · pith_short_12: NCVQSHJ6RL2U · pith_short_16: NCVQSHJ6RL2UWVER · pith_short_8: NCVQSHJ6

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/NCVQSHJ6RL2UWVERJSVPN6CVX7 \
  | 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: 68ab091d3e8af54b54914caaf6f855bfe1e9b1f3764ab9a2c07c9cd4b61156d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5bce2ec1db9948f5ce48c1336705716d02ce265a8f64fd18f17b3922844564",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-31T18:00:04Z",
    "title_canon_sha256": "d8e18a34ba4c0498d404c317fabe40065969c0c7278ae388ec82b9746872e6b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00012",
    "kind": "arxiv",
    "version": 1
  }
}