Pith Number

pith:SHMAVF7Z

pith:2011:SHMAVF7ZTPSP6HQBWWL2NQ4YAC

not attested not anchored not stored refs pending

Planetary nebulae in the elliptical galaxy NGC 4649 (M 60): kinematics and distance redetermination

A. M. Teodorescu, F. Bernardi, J. Thomas, O. Gerhard, P. Das, R. H. Mendez

arxiv:1105.1209 v1 · 2011-05-06 · 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{SHMAVF7ZTPSP6HQBWWL2NQ4YAC}

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	2026-05-18T02:02:03.490458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91d80a97f99be4ff1e01b597a6c398008b578a6b694a8679f894943ea2600833

Aliases

arxiv: 1105.1209 · arxiv_version: 1105.1209v1 · doi: 10.48550/arxiv.1105.1209 · pith_short_12: SHMAVF7ZTPSP · pith_short_16: SHMAVF7ZTPSP6HQB · pith_short_8: SHMAVF7Z

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/SHMAVF7ZTPSP6HQBWWL2NQ4YAC \
  | 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: 91d80a97f99be4ff1e01b597a6c398008b578a6b694a8679f894943ea2600833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62a4b491f226dcbd27a3d910aa4ffd55be5d26166849a93b069b48f4673bbf86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-06T01:51:14Z",
    "title_canon_sha256": "d4c17891e2f5a741b8183dfb32f116368618ccc939f7c08a4e2dcbcd9ba2d2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1209",
    "kind": "arxiv",
    "version": 1
  }
}