Pith Number

pith:KVGOBFEY

pith:2012:KVGOBFEYXPOKU2H4S2KJAVQVUT

not attested not anchored not stored refs pending

The Formation of Large Galactic Disks Through The Hierarchical Scenario: Further consequences

CNRS, Francois Hammer (1), Hector Flores (1), Mathieu Puech (1) ((1) GEPI, Meudon France), Observatoire de Paris, Yanbin Yang (1)

arxiv:1211.1978 v2 · 2012-11-08 · 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{KVGOBFEYXPOKU2H4S2KJAVQVUT}

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	2026-05-18T03:40:02.566169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554ce09498bbdcaa68fc9694905615a4e5e3271f87045cb181447aff7004b59a

Aliases

arxiv: 1211.1978 · arxiv_version: 1211.1978v2 · doi: 10.48550/arxiv.1211.1978 · pith_short_12: KVGOBFEYXPOK · pith_short_16: KVGOBFEYXPOKU2H4 · pith_short_8: KVGOBFEY

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/KVGOBFEYXPOKU2H4S2KJAVQVUT \
  | 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: 554ce09498bbdcaa68fc9694905615a4e5e3271f87045cb181447aff7004b59a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74ae7574b40d88972ef1e3784d821408d6f87832d22323f636458edc78286e1e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-08T21:00:14Z",
    "title_canon_sha256": "ee77b9d643949495145f3673d3b43fa3e0a279576c3682044b7062ccb66f054d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1978",
    "kind": "arxiv",
    "version": 2
  }
}