Pith Number

pith:QPTUUZKD

pith:2013:QPTUUZKD2FWKEWSIKIBNODOWM2

not attested not anchored not stored refs pending

Far-infrared spectroscopy of a lensed starburst: a blind redshift from Herschel

D. A. Riechers, D. L. Clements, Edinburgh), E. Ibar, E. Valiante, G. de Zotti, I. Valtchanov, L. Dunne, M. Baes, M. Krips, M. Negrello, M. W. L. Smith, N. Bourne, P. Cox, P. van der Werf, R. D. George (IfA, R. Hopwood, R. J. Ivison, R. Neri, R. S. Bussmann, S. A. Eales, S. Dye, S. Maddox, S. Serjeant

arxiv:1308.4403 v1 · 2013-08-20 · 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{QPTUUZKD2FWKEWSIKIBNODOWM2}

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	2026-05-18T01:48:07.551750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e74a6543d16ca25a485202d70dd666b8d2f71595ad320508e03d178046d461

Aliases

arxiv: 1308.4403 · arxiv_version: 1308.4403v1 · doi: 10.48550/arxiv.1308.4403 · pith_short_12: QPTUUZKD2FWK · pith_short_16: QPTUUZKD2FWKEWSI · pith_short_8: QPTUUZKD

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/QPTUUZKD2FWKEWSIKIBNODOWM2 \
  | 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: 83e74a6543d16ca25a485202d70dd666b8d2f71595ad320508e03d178046d461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64cd9630afe0f25f2279725b3b6a5ecdb905b5cc3bd03f110be440bbb10eb0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-20T20:00:01Z",
    "title_canon_sha256": "18c3330f36998b0a20f09392aaad5b284032ed59ba29d2ef654e27cb1528e030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4403",
    "kind": "arxiv",
    "version": 1
  }
}