Pith Number

pith:KECM3GAR

pith:2013:KECM3GARTB7QERHHDLFRUKOMYR

not attested not anchored not stored refs pending

Toy Models for Galaxy Formation versus Simulations

A. Dekel, A. Zolotov, D. Ceverino, D. Tweed, J.R. Primack, M. Cacciato

arxiv:1303.3009 v2 · 2013-03-12 · astro-ph.CO

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

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	2026-05-18T01:51:08.049339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5104cd9811987f0244e71acb1a29ccc47567a0419b40bc01c47a6cfc9f7efe34

Aliases

arxiv: 1303.3009 · arxiv_version: 1303.3009v2 · doi: 10.48550/arxiv.1303.3009 · pith_short_12: KECM3GARTB7Q · pith_short_16: KECM3GARTB7QERHH · pith_short_8: KECM3GAR

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/KECM3GARTB7QERHHDLFRUKOMYR \
  | 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: 5104cd9811987f0244e71acb1a29ccc47567a0419b40bc01c47a6cfc9f7efe34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36d1162a4be32ec2e0eadd71cca2746a30a59d5e47e802416b548155b8588a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-12T20:00:05Z",
    "title_canon_sha256": "729fe8d7bc5f6a511b320aa42289f9918d28b69dd5407b1b46613fe4bf9f2ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3009",
    "kind": "arxiv",
    "version": 2
  }
}