Pith Number

pith:FOFDA2OF

pith:2008:FOFDA2OFW5OI2VPFUG6ON37K5M

not attested not anchored not stored refs pending

Modeling Molecular Hydrogen and Star Formation in Cosmological Simulations

Andrey V. Kravtsov, Konstantinos Tassis, Nickolay Y. Gnedin

arxiv:0810.4148 v2 · 2008-10-22 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOFDA2OFW5OI2VPFUG6ON37K5M}

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	2026-05-18T04:32:34.856191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8a3069c5b75c8d55e5a1bce6efeaeb160426f0f134b141f6405a56511cb364

Aliases

arxiv: 0810.4148 · arxiv_version: 0810.4148v2 · doi: 10.48550/arxiv.0810.4148 · pith_short_12: FOFDA2OFW5OI · pith_short_16: FOFDA2OFW5OI2VPF · pith_short_8: FOFDA2OF

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/FOFDA2OFW5OI2VPFUG6ON37K5M \
  | 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: 2b8a3069c5b75c8d55e5a1bce6efeaeb160426f0f134b141f6405a56511cb364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f10ab1cd3d0e1ae55e087f54daeab621050c6ddb26734e7cd55c164a6ee25938",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-22T20:06:12Z",
    "title_canon_sha256": "60b4fa28897ec08555eb2fb9c768fc5fb2f334480f305d7bcf5c1108c721f414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4148",
    "kind": "arxiv",
    "version": 2
  }
}