Pith Number

pith:MB7KXEYK

pith:2008:MB7KXEYKESKTARMV4CDLEYBPB5

not attested not anchored not stored refs pending

Kinematics of planetary nebulae in the outskirts of the elliptical galaxy NGC 4697

A. Burkert, A. M. Teodorescu, R. H. Mendez, R.-P. Kudritzki

arxiv:0809.5105 v1 · 2008-09-30 · 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{MB7KXEYKESKTARMV4CDLEYBPB5}

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	2026-07-04T15:14:43.751667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0

Aliases

arxiv: 0809.5105 · arxiv_version: 0809.5105v1 · doi: 10.48550/arxiv.0809.5105 · pith_short_12: MB7KXEYKESKT · pith_short_16: MB7KXEYKESKTARMV · pith_short_8: MB7KXEYK

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/MB7KXEYKESKTARMV4CDLEYBPB5 \
  | 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: 607eab930a2495304595e086b2602f0f6f1a4087ceb2a9a235f27b0cd5e384c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10490b8edc9b94cfe4733213a8275e824fa32ee8c9163e64a8ea9b9e039c7e12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-30T02:21:33Z",
    "title_canon_sha256": "445f6d2d5c93be5592c7a65bc32e39df351978acecddfe65019ba51d8068e018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5105",
    "kind": "arxiv",
    "version": 1
  }
}