Pith Number

pith:YUECRWPH

pith:2009:YUECRWPH3RE6KPWW7LME5454OZ

not attested not anchored not stored refs pending

A Keck/DEIMOS spectroscopic survey of the faint M31 satellites And XV and And XVI

A. McConnachie, A. M. N. Ferguson, B. Letarte, G. F. Lewis, M. Collins, M. J. Irwin, N. Martin, N. Tanvir, R. A. Ibata, S. C. Chapman

arxiv:0901.0820 v2 · 2009-01-07 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUECRWPH3RE6KPWW7LME5454OZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:15:03.160951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50828d9e7dc49e53ed6fad84ef3bc7672a863a31d08368f54e7ca86146dbb01

Aliases

arxiv: 0901.0820 · arxiv_version: 0901.0820v2 · doi: 10.48550/arxiv.0901.0820 · pith_short_12: YUECRWPH3RE6 · pith_short_16: YUECRWPH3RE6KPWW · pith_short_8: YUECRWPH

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/YUECRWPH3RE6KPWW7LME5454OZ \
  | 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: c50828d9e7dc49e53ed6fad84ef3bc7672a863a31d08368f54e7ca86146dbb01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79faf97c2a84b1aab54f19816fa4aebc24f026dcbd9c6b3d6bdb0752ed6041b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-07T13:16:44Z",
    "title_canon_sha256": "01b1f64e6e11b457d2a898bf8516303e39adde655d214e4fd0e3d147a1d62686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0820",
    "kind": "arxiv",
    "version": 2
  }
}