Pith Number

pith:PCCODW2E

pith:2017:PCCODW2EXEMTU2YQTGMO7O5JZL

not attested not anchored not stored refs pending

The physical origin of long gas depletion times in galaxies

Andrey V. Kravtsov, Nickolay Y. Gnedin, Vadim A. Semenov

arxiv:1704.04239 v2 · 2017-04-13 · astro-ph.GA · 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{PCCODW2EXEMTU2YQTGMO7O5JZL}

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	2026-05-18T00:37:47.579458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7884e1db44b9193a6b109998efbba9cae13eaa63432f3669777d9a8928e143a4

Aliases

arxiv: 1704.04239 · arxiv_version: 1704.04239v2 · doi: 10.48550/arxiv.1704.04239 · pith_short_12: PCCODW2EXEMT · pith_short_16: PCCODW2EXEMTU2YQ · pith_short_8: PCCODW2E

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/PCCODW2EXEMTU2YQTGMO7O5JZL \
  | 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: 7884e1db44b9193a6b109998efbba9cae13eaa63432f3669777d9a8928e143a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2adc41e0a05288e702c63920cc09c8ebb70112e5800691239f786cac0fe85556",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-13T18:00:01Z",
    "title_canon_sha256": "0c9b832333dd7b756b8a86778debf80cc41927ccc91f965bd3bfff2ba16fd94e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04239",
    "kind": "arxiv",
    "version": 2
  }
}