Pith Number

pith:Z72VXQNS

pith:2010:Z72VXQNSYLWUD7KJDOTQ22SNR6

not attested not anchored not stored refs pending

Radially extended kinematics and stellar populations of the massive ellipticals NGC1600, NGC4125 and NGC7619. Constraints on the outer dark halo density profile

J. Thomas, M. H. Fabricius, R. Bender, R. P. Saglia, S. B. Pu, Z. Han

arxiv:1004.2776 v1 · 2010-04-16 · 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{Z72VXQNSYLWUD7KJDOTQ22SNR6}

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	2026-05-18T02:08:04.875199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff55bc1b2c2ed41fd491ba70d6a4d8fa9cb4856951a41db85cb1e3a35e5feb8

Aliases

arxiv: 1004.2776 · arxiv_version: 1004.2776v1 · doi: 10.48550/arxiv.1004.2776 · pith_short_12: Z72VXQNSYLWU · pith_short_16: Z72VXQNSYLWUD7KJ · pith_short_8: Z72VXQNS

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/Z72VXQNSYLWUD7KJDOTQ22SNR6 \
  | 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: cff55bc1b2c2ed41fd491ba70d6a4d8fa9cb4856951a41db85cb1e3a35e5feb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25955c02dd15972caeb4ede6c442929118f9d54d4fbabacdb070653f184158bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-16T08:02:28Z",
    "title_canon_sha256": "b6a98d5b423c28366f4720bf984b0d28b614afdb700aacb7bd62804373a1eb74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2776",
    "kind": "arxiv",
    "version": 1
  }
}