Pith Number

pith:FMFAL5EV

pith:2011:FMFAL5EVF32FL74ZERUWDMSZQD

not attested not anchored not stored refs pending

Adaptive Mesh Refinement Simulations of Galaxy Formation: Exploring Numerical and Physical Parameters

Cameron Hummels, Greg Bryan

arxiv:1112.0009 v1 · 2011-11-30 · 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{FMFAL5EVF32FL74ZERUWDMSZQD}

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	2026-05-18T01:59:20.937123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0a05f4952ef455ff99246961b25980d20d67c523b8fdee1c71fdcfc98fc814

Aliases

arxiv: 1112.0009 · arxiv_version: 1112.0009v1 · doi: 10.48550/arxiv.1112.0009 · pith_short_12: FMFAL5EVF32F · pith_short_16: FMFAL5EVF32FL74Z · pith_short_8: FMFAL5EV

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/FMFAL5EVF32FL74ZERUWDMSZQD \
  | 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: 2b0a05f4952ef455ff99246961b25980d20d67c523b8fdee1c71fdcfc98fc814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d041c2d19f9bf37914be8dc6d6f010fac574ea0e448302d11fbc14b6f9713900",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-30T21:00:03Z",
    "title_canon_sha256": "7aea7a2aae8a18b75b8dc98a7d5b7d6d76102ca389a9c8d3d49aed170506db4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0009",
    "kind": "arxiv",
    "version": 1
  }
}