Pith Number

pith:C5A4LI2B

pith:2011:C5A4LI2B53U5SRSRNT2R33TTLC

not attested not anchored not stored refs pending

Halo Contraction Effect in Hydrodynamic Simulations of Galaxy Formation

Anatoly A. Klypin, Andrey V. Kravtsov, Daisuke Nagai, Daniel Ceverino, Gustavo Yepes, Nickolay Y. Gnedin, Oleg Y. Gnedin, Robyn Levine

arxiv:1108.5736 v1 · 2011-08-29 · astro-ph.CO · 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{C5A4LI2B53U5SRSRNT2R33TTLC}

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	2026-05-18T04:14:36.799883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1741c5a341eee9d946516cf51dee7358b19b5510be30419b9257d66d7caf643a

Aliases

arxiv: 1108.5736 · arxiv_version: 1108.5736v1 · doi: 10.48550/arxiv.1108.5736 · pith_short_12: C5A4LI2B53U5 · pith_short_16: C5A4LI2B53U5SRSR · pith_short_8: C5A4LI2B

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/C5A4LI2B53U5SRSRNT2R33TTLC \
  | 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: 1741c5a341eee9d946516cf51dee7358b19b5510be30419b9257d66d7caf643a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88e46e468ae91fd4612d004582739574c64ca2156f1c730bcc031da7b4b624e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-29T20:00:15Z",
    "title_canon_sha256": "a25acfc7057c1acb9259a9681f169bab5d31a0dbcd4ec900c0bd6140033d7304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5736",
    "kind": "arxiv",
    "version": 1
  }
}