Pith Number

pith:DDJHLALG

pith:2007:DDJHLALGBXMUFKZSHNW57VHZKQ

not attested not anchored not stored refs pending

Spitzer Space Telescope spectral observations of AGB stars in the Fornax dwarf spheroidal galaxy

(10) Keele University, (11) KU Leuven), 2), (2) University College London, (3) University of Manchester, (4) Cornell University, (5) SAAO, 6, (6) Astronomy Department, 7), (7) NASSP, (8) Mount Stromlo Observatory, (9) University of Edinburgh, A. A. Zijlstra (3), E. Lagadec (3), G. C. Sloan (4), G. J. Harris (2) ((1) NAO of Japan, J. Bernard-Salas (4), J. Th. van Loon (10), J. W. Menzies (5), M. A. T. Groenewegen (11), M. Matsuura (1, M.-R. L. Cioni (9), M. W. Feast (6), P. A. Whitelock (5, P. R. Wood (8), University of Cape Town

arxiv:0709.3199 v1 · 2007-09-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDJHLALGBXMUFKZSHNW57VHZKQ}

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	2026-05-18T04:17:04.805411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d27581660dd942ab323b6ddfd4f9543c22ef88cd86e411c52de33ff511ecb2

Aliases

arxiv: 0709.3199 · arxiv_version: 0709.3199v1 · doi: 10.48550/arxiv.0709.3199 · pith_short_12: DDJHLALGBXMU · pith_short_16: DDJHLALGBXMUFKZS · pith_short_8: DDJHLALG

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/DDJHLALGBXMUFKZSHNW57VHZKQ \
  | 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: 18d27581660dd942ab323b6ddfd4f9543c22ef88cd86e411c52de33ff511ecb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309e8ba9a81220a73940d5e433a719a133dc2788c5f692fe4d2628e549ff75ca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-20T11:52:31Z",
    "title_canon_sha256": "25993447d8a01dcf8615f80c9db5397eb5b55a7247d4c331043cbd573392eb5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3199",
    "kind": "arxiv",
    "version": 1
  }
}