Pith Number

pith:M2WLAFLA

pith:2009:M2WLAFLA3UX6QQ7JJ32PZMMJID

not attested not anchored not stored refs pending

A Keck/DEIMOS spectroscopic survey of the faint M31 satellites And IX, And XI, And XII, and And XIII

A. Blain, A. M. N. Ferguson, A. W. McConnachie, D. B. Zucker, G. F. Lewis, J. Penarrubia, M. J. Irwin, M. L. M. Collins, N. F. Martin, R. A. Ibata, S. C. Chapman

arxiv:0911.1365 v2 · 2009-11-06 · 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{M2WLAFLA3UX6QQ7JJ32PZMMJID}

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	2026-05-18T02:10:58.515550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66acb01560dd2fe843e94ef4fcb18940f6a4b03505856a3e21d03efa401c1c0b

Aliases

arxiv: 0911.1365 · arxiv_version: 0911.1365v2 · doi: 10.48550/arxiv.0911.1365 · pith_short_12: M2WLAFLA3UX6 · pith_short_16: M2WLAFLA3UX6QQ7J · pith_short_8: M2WLAFLA

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/M2WLAFLA3UX6QQ7JJ32PZMMJID \
  | 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: 66acb01560dd2fe843e94ef4fcb18940f6a4b03505856a3e21d03efa401c1c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b3a079ae89312d7db5f60ed163b7afe9e97114783c1e99b5f62b0a0b72dd3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-06T21:38:13Z",
    "title_canon_sha256": "1ccb43cbcba8c391209b9b873e5d434277b79bc2a1b9e576e031885c4dd580a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1365",
    "kind": "arxiv",
    "version": 2
  }
}