Pith Number

pith:YFAOPQVK

pith:2019:YFAOPQVK4HMKXE5JR4CDMGIWQ2

not attested not anchored not stored refs pending

Kinematics of the Tucana Dwarf Galaxy: An Unusually Dense Dwarf in the Local Group

Alan W. McConnachie, Alexandra L. Gregory, Daniel R. Weisz, Justin I. Read, Michael J. Irwin, Michelle L. M. Collins, Nicolas F. Martin, Rodrigo A. Ibata

arxiv:1902.07228 v2 · 2019-02-19 · 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{YFAOPQVK4HMKXE5JR4CDMGIWQ2}

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	2026-05-17T23:52:14.609059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c140e7c2aae1d8ab93a98f04361916869624ecca8f546f8621910cb6044446c6

Aliases

arxiv: 1902.07228 · arxiv_version: 1902.07228v2 · doi: 10.48550/arxiv.1902.07228 · pith_short_12: YFAOPQVK4HMK · pith_short_16: YFAOPQVK4HMKXE5J · pith_short_8: YFAOPQVK

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/YFAOPQVK4HMKXE5JR4CDMGIWQ2 \
  | 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: c140e7c2aae1d8ab93a98f04361916869624ecca8f546f8621910cb6044446c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd4fe966ca85f86b411f5cb5913869a32f8741a61ff7ebb9819cf196f6c9acd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T19:00:56Z",
    "title_canon_sha256": "440bf4a3ddae57ab7151f4d22d4dd674d7710b7f4133b8b46320ef95de22e9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07228",
    "kind": "arxiv",
    "version": 2
  }
}