Pith Number

pith:4TKYYBNA

pith:2013:4TKYYBNAJJHVJMKN2RF5CW47PR

not attested not anchored not stored refs pending

Comparing molecular gas across cosmic time-scales: the Milky Way as both a typical spiral galaxy and a high-redshift galaxy analogue

J. M. Diederik Kruijssen (MPA Garching), Steven N. Longmore (LJMU Liverpool)

arxiv:1309.0505 v1 · 2013-09-02 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TKYYBNAJJHVJMKN2RF5CW47PR}

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	2026-05-18T01:47:50.592774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4d58c05a04a4f54b14dd44bd15b9f7c724021675220064e66385b2e15835851

Aliases

arxiv: 1309.0505 · arxiv_version: 1309.0505v1 · doi: 10.48550/arxiv.1309.0505 · pith_short_12: 4TKYYBNAJJHV · pith_short_16: 4TKYYBNAJJHVJMKN · pith_short_8: 4TKYYBNA

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/4TKYYBNAJJHVJMKN2RF5CW47PR \
  | 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: e4d58c05a04a4f54b14dd44bd15b9f7c724021675220064e66385b2e15835851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c1dc5277b9a52d85020d22e39764cc927ee9a71abb41a9e6400d2fd67ae556d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-02T20:00:01Z",
    "title_canon_sha256": "81d6d1b18ed3ea54424ec73289a229d7ffbc0dce91d85abc1cb47a0c64591d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0505",
    "kind": "arxiv",
    "version": 1
  }
}