Pith Number

pith:YLF3IRQ3

pith:2009:YLF3IRQ3ORDAXGOS7NNDUDNGH5

not attested not anchored not stored refs pending

A Search for Neutral Carbon towards two z=4.05 Submillimetre Galaxies, GN20 and GN20.2

A. Omont, A. Pope, A.W. Blain, C.M. Casey, D. Scott, E. Daddi, F. Bertoldi, H. Dannerbauer, I. Smail, L.J. Tacconi, P. Cox, R. Genzel, R.J. Beswick, R.J. Ivison, R. Neri, S.C. Chapman, T.R. Greve, T.W.B. Muxlow

arxiv:0908.3675 v1 · 2009-08-26 · 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{YLF3IRQ3ORDAXGOS7NNDUDNGH5}

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	2026-05-18T02:12:23.057741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2cbb4461b74460b99d2fb5a3a0da63f557f2d9e1bc980161abbd56110903719

Aliases

arxiv: 0908.3675 · arxiv_version: 0908.3675v1 · doi: 10.48550/arxiv.0908.3675 · pith_short_12: YLF3IRQ3ORDA · pith_short_16: YLF3IRQ3ORDAXGOS · pith_short_8: YLF3IRQ3

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/YLF3IRQ3ORDAXGOS7NNDUDNGH5 \
  | 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: c2cbb4461b74460b99d2fb5a3a0da63f557f2d9e1bc980161abbd56110903719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d95032ebdb92c8ea9e9a8d95c6b746f942c8a269b7f436268166c2c199b0a56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-26T11:57:38Z",
    "title_canon_sha256": "fd0a7d6baf45d18e94ef5c57dde17c780b967ae08f9f4cb1158a76192185f3f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3675",
    "kind": "arxiv",
    "version": 1
  }
}