Pith Number

pith:OQLK2Q5T

pith:2013:OQLK2Q5TQ7YC3BPRCTNLKX2ORZ

not attested not anchored not stored refs pending

The cold gas content of post-starburst galaxies

Harald Kuntschner, Martin A. Zwaan, Michael B. Pracy, Warrick J. Couch

arxiv:1303.4307 v1 · 2013-03-18 · 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{OQLK2Q5TQ7YC3BPRCTNLKX2ORZ}

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	2026-05-18T01:51:01.182980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7416ad43b387f02d85f114dab55f4e8e4a2001f09f02c21b50388da24ca77eaa

Aliases

arxiv: 1303.4307 · arxiv_version: 1303.4307v1 · doi: 10.48550/arxiv.1303.4307 · pith_short_12: OQLK2Q5TQ7YC · pith_short_16: OQLK2Q5TQ7YC3BPR · pith_short_8: OQLK2Q5T

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/OQLK2Q5TQ7YC3BPRCTNLKX2ORZ \
  | 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: 7416ad43b387f02d85f114dab55f4e8e4a2001f09f02c21b50388da24ca77eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2102fe18aac7aff87b4b40e939f92985b154d6dce37177b1b8995005e99f31ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-18T16:24:23Z",
    "title_canon_sha256": "6deb863d2566760af6d3983a0ff40c102e0d8fe16c0fc6bce7e28120bd6cd072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4307",
    "kind": "arxiv",
    "version": 1
  }
}