Pith Number

pith:P72ITBDL

pith:2011:P72ITBDLA6MBR6JHM5ZOXBWKUK

not attested not anchored not stored refs pending

The Photoevaporative Wind from the Disk of TW Hya

B. Ercolano, D. Hollenbach, I. Pascucci, J. Owens, M. Sterzik, R. D. Alexander, S. Edwards, S. H. P. Alencar, U. Gorti

arxiv:1105.0045 v1 · 2011-04-30 · 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{P72ITBDLA6MBR6JHM5ZOXBWKUK}

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	2026-05-18T02:02:10.801247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff489846b079818f9276772eb86caa2b6f23164e1d1eb7c6cd09550ff3f1758

Aliases

arxiv: 1105.0045 · arxiv_version: 1105.0045v1 · doi: 10.48550/arxiv.1105.0045 · pith_short_12: P72ITBDLA6MB · pith_short_16: P72ITBDLA6MBR6JH · pith_short_8: P72ITBDL

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/P72ITBDLA6MBR6JHM5ZOXBWKUK \
  | 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: 7ff489846b079818f9276772eb86caa2b6f23164e1d1eb7c6cd09550ff3f1758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe143749b6af43fb60a8e15e734993ea00704447a04ec3c9a1169ba7e8ebd6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-04-30T04:41:14Z",
    "title_canon_sha256": "37edbe7127947c2a3858a08c37933a4186c1ff9d5e564d261b40c7b76e310e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0045",
    "kind": "arxiv",
    "version": 1
  }
}