Pith Number

pith:JK5ESKZR

pith:2011:JK5ESKZR3VIGLNJNZEA7AYADNG

not attested not anchored not stored refs pending

On the theory of disc photoevaporation

Barbara Ercolano, Cathie J. Clarke, James E. Owen

arxiv:1112.1087 v1 · 2011-12-05 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JK5ESKZR3VIGLNJNZEA7AYADNG}

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	2026-05-18T01:59:16.758664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aba492b31dd5065b52dc901f06003698fce8f70613158a52fd59bf11688b6bb

Aliases

arxiv: 1112.1087 · arxiv_version: 1112.1087v1 · doi: 10.48550/arxiv.1112.1087 · pith_short_12: JK5ESKZR3VIG · pith_short_16: JK5ESKZR3VIGLNJN · pith_short_8: JK5ESKZR

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/JK5ESKZR3VIGLNJNZEA7AYADNG \
  | 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: 4aba492b31dd5065b52dc901f06003698fce8f70613158a52fd59bf11688b6bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb47d16ce425dad353a523b1d996acc3f6eb024b3f2f32af223856a43bcbaa15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-05T21:06:18Z",
    "title_canon_sha256": "88267868ba2eac9b55598b745f131636478f26b5f741f1069fb0f6b028cafd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1087",
    "kind": "arxiv",
    "version": 1
  }
}