Pith Number

pith:SNL7ZI7N

pith:2009:SNL7ZI7NUPOZRMP6CZ5UFFRSD4

not attested not anchored not stored refs pending

Mapping the starburst in Blue Compact Dwarf Galaxies. PMAS Integral Field Spectroscopy of Mrk 1418

(2) Instituto de Astrofisica de Canarias, (3) University of Michigan Department of Astronomy), C. Kehrig (3), C. Zurita (2), L.M. Cairos (1), M. Roth (1) ((1) Astrophysikalisches Institut Potsdam, N. Caon (2), P. Weilbacher (1)

arxiv:0908.1305 v1 · 2009-08-10 · 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{SNL7ZI7NUPOZRMP6CZ5UFFRSD4}

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	2026-05-18T02:12:36.122396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9357fca3eda3dd98b1fe167b4296321f3032c5c3e191492cddc37c9a27260a0e

Aliases

arxiv: 0908.1305 · arxiv_version: 0908.1305v1 · doi: 10.48550/arxiv.0908.1305 · pith_short_12: SNL7ZI7NUPOZ · pith_short_16: SNL7ZI7NUPOZRMP6 · pith_short_8: SNL7ZI7N

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/SNL7ZI7NUPOZRMP6CZ5UFFRSD4 \
  | 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: 9357fca3eda3dd98b1fe167b4296321f3032c5c3e191492cddc37c9a27260a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1a8ba72d3ba32cd663d98bfd80258631aff7f6a6f6ed757fcbe0a1935906525",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-10T12:14:13Z",
    "title_canon_sha256": "cdcd6252a6735b25e6a2c5b05017e54cfd50eebe7cac77d96ce9cf7f5acda1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1305",
    "kind": "arxiv",
    "version": 1
  }
}