Pith Number

pith:E4CIWRQI

pith:2019:E4CIWRQID73IXHMQ3E2OH4MWCL

not attested not anchored not stored refs pending

The Extremely High Dark Matter Halo Concentration of the Relic Compact Elliptical Galaxy Mrk 1216

Aaron J. Barth (UC Irvine), David A. Buote

arxiv:1902.02938 v3 · 2019-02-08 · 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{E4CIWRQID73IXHMQ3E2OH4MWCL}

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	2026-05-17T23:44:12.101580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27048b46081ff68b9d90d934e3f19612fcf4739a9f5aaf1ad3847e8fd44dca45

Aliases

arxiv: 1902.02938 · arxiv_version: 1902.02938v3 · doi: 10.48550/arxiv.1902.02938 · pith_short_12: E4CIWRQID73I · pith_short_16: E4CIWRQID73IXHMQ · pith_short_8: E4CIWRQI

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/E4CIWRQID73IXHMQ3E2OH4MWCL \
  | 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: 27048b46081ff68b9d90d934e3f19612fcf4739a9f5aaf1ad3847e8fd44dca45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393aebf6119521c59aaf4563ad511c1268f3dea4b92eb02d5f89c7f312dade42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-08T04:51:04Z",
    "title_canon_sha256": "c69f39d8333d01d5d338632f8d4227d4d9a0e56f6e5892aa53cd8bc1dae860d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02938",
    "kind": "arxiv",
    "version": 3
  }
}