Pith Number

pith:DP3VOV72

pith:2013:DP3VOV72H23CO7C5YDSOWN3S5C

not attested not anchored not stored refs pending

Long-term Evolution of Photoevaporating Protoplanetary Disks

Charles Gammie, Jaehan Bae, Lee Hartmann, Zhaohuan Zhu

arxiv:1307.2585 v2 · 2013-07-09 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DP3VOV72H23CO7C5YDSOWN3S5C}

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	2026-05-18T01:48:52.700593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf75757fa3eb6277c5dc0e4eb3772e8a2f53b908a9e9c2519f36e8e94e6c89b

Aliases

arxiv: 1307.2585 · arxiv_version: 1307.2585v2 · doi: 10.48550/arxiv.1307.2585 · pith_short_12: DP3VOV72H23C · pith_short_16: DP3VOV72H23CO7C5 · pith_short_8: DP3VOV72

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/DP3VOV72H23CO7C5YDSOWN3S5C \
  | 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: 1bf75757fa3eb6277c5dc0e4eb3772e8a2f53b908a9e9c2519f36e8e94e6c89b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74740f5d73ad7d39054d391f9cc87ff29cc400f7e440057d1e1c8267ce2b6278",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-09T20:06:26Z",
    "title_canon_sha256": "d251cbe2dd4b377e887691ef9853629a4e7c70858e961379b4efdd0110ddcd47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2585",
    "kind": "arxiv",
    "version": 2
  }
}