Pith Number

pith:ULN3KFNF

pith:2011:ULN3KFNFCJHEAROAIDF7D7IAVM

not attested not anchored not stored refs pending

Surface Layer Accretion in Conventional and Transitional Disks Driven by Far-Ultraviolet Ionization

Daniel Perez-Becker, Eugene Chiang

arxiv:1104.2320 v2 · 2011-04-12 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULN3KFNFCJHEAROAIDF7D7IAVM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:02:32.547948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2dbb515a5124e4045c040cbf1fd00ab38ff596ccd280833628abe48da2f8f64

Aliases

arxiv: 1104.2320 · arxiv_version: 1104.2320v2 · doi: 10.48550/arxiv.1104.2320 · pith_short_12: ULN3KFNFCJHE · pith_short_16: ULN3KFNFCJHEAROA · pith_short_8: ULN3KFNF

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/ULN3KFNFCJHEAROAIDF7D7IAVM \
  | 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: a2dbb515a5124e4045c040cbf1fd00ab38ff596ccd280833628abe48da2f8f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5b45bdc0b8a1b81097472512a560b466ced7202190eeee97c3a6e2086efc66",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-04-12T20:00:00Z",
    "title_canon_sha256": "f711d5a3370d933c0cde9fa542efb26f29c6fa1974900f96a959b5ff1db50347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2320",
    "kind": "arxiv",
    "version": 2
  }
}