Pith Number

pith:HQGHTFT2

pith:2022:HQGHTFT2HN5P5E73B6QSOTSQSA

not attested not anchored not stored refs pending

EDGE: the puzzling ellipticity of Eridanus II's star cluster and its implications for dark matter at the heart of an ultra-faint dwarf

Alex Goater, Andrew Pontzen, Ethan Taylor, Justin I. Read, Martin P. Rey, Matthew D. A. Orkney, Maxime Delorme, Oscar Agertz, Stacy Y. Kim

arxiv:2201.13434 v2 · 2022-01-31 · 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{HQGHTFT2HN5P5E73B6QSOTSQSA}

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	2026-07-05T04:45:00.202130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0c79967a3b7afe93fb0fa1274e509038e9776594ddf1b2ac283f2a027f15c0

Aliases

arxiv: 2201.13434 · arxiv_version: 2201.13434v2 · doi: 10.48550/arxiv.2201.13434 · pith_short_12: HQGHTFT2HN5P · pith_short_16: HQGHTFT2HN5P5E73 · pith_short_8: HQGHTFT2

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/HQGHTFT2HN5P5E73B6QSOTSQSA \
  | 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: 3c0c79967a3b7afe93fb0fa1274e509038e9776594ddf1b2ac283f2a027f15c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8345eb3c45bd0315151c8be2e362af9667b89edc5158b13324a68e22e1544bd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-31T18:46:39Z",
    "title_canon_sha256": "ee24fcb3b3a9f3f8115b9ee33c183dee875418f6b24e2c081314161fbaefeb89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13434",
    "kind": "arxiv",
    "version": 2
  }
}