Pith Number

pith:FJPQFMSG

pith:2009:FJPQFMSGBFFCBAGISZWBDRHMBC

not attested not anchored not stored refs pending

Integral field optical spectroscopy of a representative sample of ULIRGs: II. Two-dimensional kpc-scale extinction structure

L. Colina, M. Garcia-Marin, S. Arribas

arxiv:0907.2218 v1 · 2009-07-13 · 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{FJPQFMSGBFFCBAGISZWBDRHMBC}

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	2026-05-18T02:13:03.442924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a5f02b246094a2080c8966c11c4ec08898c4973ab613114393e444028c368a3

Aliases

arxiv: 0907.2218 · arxiv_version: 0907.2218v1 · doi: 10.48550/arxiv.0907.2218 · pith_short_12: FJPQFMSGBFFC · pith_short_16: FJPQFMSGBFFCBAGI · pith_short_8: FJPQFMSG

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/FJPQFMSGBFFCBAGISZWBDRHMBC \
  | 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: 2a5f02b246094a2080c8966c11c4ec08898c4973ab613114393e444028c368a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd50de9a7075e9044ad90679c552edf5bc03505b79c8f1c49817757387c3174c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-13T17:39:17Z",
    "title_canon_sha256": "599afefc3b74c44502047fd10424f825af3044cc96cc77de40d96ebc33668e45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2218",
    "kind": "arxiv",
    "version": 1
  }
}