Pith Number

pith:MMNDZ6NL

pith:2011:MMNDZ6NLFUKWBSZUQPZAATAV7B

not attested not anchored not stored refs pending

Orbit-Based Dynamical Models of the Sombrero Galaxy (NGC 4594)

David Fisher, Douglas Richstone, Jeffry Kinzler, John Kormendy, John R. Jardel, Juntai Shen, Karl Gebhardt, Kayhan G\"ultekin, Tod R. Lauer

arxiv:1107.1238 v1 · 2011-07-06 · 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{MMNDZ6NLFUKWBSZUQPZAATAV7B}

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	2026-05-18T02:01:22.264755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631a3cf9ab2d1560cb3483f2004c15f87bca3ea96d469b11143b4624770fed32

Aliases

arxiv: 1107.1238 · arxiv_version: 1107.1238v1 · doi: 10.48550/arxiv.1107.1238 · pith_short_12: MMNDZ6NLFUKW · pith_short_16: MMNDZ6NLFUKWBSZU · pith_short_8: MMNDZ6NL

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/MMNDZ6NLFUKWBSZUQPZAATAV7B \
  | 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: 631a3cf9ab2d1560cb3483f2004c15f87bca3ea96d469b11143b4624770fed32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4aa54ce4557e492b7a51e844d0705c303a692d0a56621f67ccccc4483af514b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-06T20:00:05Z",
    "title_canon_sha256": "133d5baefb29cd2cd02f0897864ebd22365a23d511eb02d20c60426a590a23e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1238",
    "kind": "arxiv",
    "version": 1
  }
}