Pith Number

pith:SDJBXCVC

pith:2009:SDJBXCVCXKPEOQQWPLABHOK2VF

not attested not anchored not stored refs pending

Life at the Periphery of the Local Group: the kinematics of the Tucana Dwarf Galaxy

A. Cole (Univ. Tasmania), Cambridge), E. Tolstoy (Univ. Groningen), F. Fraternali (Univ. Bologna), M. Irwin (IoA

arxiv:0903.4635 v1 · 2009-03-26 · astro-ph.CO · 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{SDJBXCVCXKPEOQQWPLABHOK2VF}

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	2026-05-18T02:14:19.322922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d21b8aa2ba9e4742167ac013b95aa97bb28ccc8e4c8dfae944863259fc5b5c

Aliases

arxiv: 0903.4635 · arxiv_version: 0903.4635v1 · doi: 10.48550/arxiv.0903.4635 · pith_short_12: SDJBXCVCXKPE · pith_short_16: SDJBXCVCXKPEOQQW · pith_short_8: SDJBXCVC

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/SDJBXCVCXKPEOQQWPLABHOK2VF \
  | 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: 90d21b8aa2ba9e4742167ac013b95aa97bb28ccc8e4c8dfae944863259fc5b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ccd9f0f912ddb6e079ea88dd91574ec3c102fd001a9ec12addedaa76647979a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-26T17:01:24Z",
    "title_canon_sha256": "0b7510486f9e2d4e9e32159ed77836d39d88acc04cadaf6ff8422dbf9a28f5ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4635",
    "kind": "arxiv",
    "version": 1
  }
}