Pith Number

pith:2YHGGQD2

pith:2013:2YHGGQD2HAPX73G4BTBEJT7POY

not attested not anchored not stored refs pending

13CO and C18O emission from a dense gas disk at z=2.3: abundance variations, cosmic rays and the initial conditions for star formation

((1) Department of Physics, 2), (2) Institute of Computational Cosmology, (3) Oxford University, (4) Leiden Observatory, (5) Institut de Radio Astronomie Millimetrique, (6) Max-Planck-Institut fur Radioastronomie, 7), (7) Department of Astronomy, (8) UK Astronomy Technology Centre, 9), (9) Institute for Astronomy, A. C. Edge (2), A. L. R. Danielson (1, A. M. Swinbank (2), C. Henkel (6, Durham University, E. Bayet (3), Edinburgh, Edinburgh), France, Germany, Ian Smail (2), King Abdulaziz University, Netherlands, Paul P. van der Werf (4), P. Cox (5), R. J. Ivison (8, Saudi Arabia

arxiv:1309.5952 v1 · 2013-09-23 · 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{2YHGGQD2HAPX73G4BTBEJT7POY}

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	2026-05-18T01:47:34.027343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60e63407a381f7fecdc0cc244cfef76225f736b2aee3a17cdc7f174721d400e

Aliases

arxiv: 1309.5952 · arxiv_version: 1309.5952v1 · doi: 10.48550/arxiv.1309.5952 · pith_short_12: 2YHGGQD2HAPX · pith_short_16: 2YHGGQD2HAPX73G4 · pith_short_8: 2YHGGQD2

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/2YHGGQD2HAPX73G4BTBEJT7POY \
  | 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: d60e63407a381f7fecdc0cc244cfef76225f736b2aee3a17cdc7f174721d400e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9656fa74f909b8404a5fbd1e5c781ce9a1f89570469b417e54e42f5c256e6c43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-23T20:00:01Z",
    "title_canon_sha256": "423b29ae8265dc8d1fbfe174d2d6423f573242a08c0c74f225cf8e70a3fdf4d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5952",
    "kind": "arxiv",
    "version": 1
  }
}