Pith Number

pith:BDIT4AV7

pith:2010:BDIT4AV7GBQ7WNDRC7CPIP5QXY

not attested not anchored not stored refs pending

The Nature of Transition Circumstellar Disks I. The Ophiuchus Molecular Cloud

Bruno Merin, Gisela A. Romero, Jonathan J. Swift, Jonathan P. Williams, Lucas A. Cieza, Marcelo D. Mora, Mariana Orellana, Matthias R. Schreiber, Neal J. Evans II, Paul M. Harvey

arxiv:1001.4825 v1 · 2010-01-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDIT4AV7GBQ7WNDRC7CPIP5QXY}

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	2026-05-18T02:09:29.465494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d13e02bf3061fb347117c4f43fb0be28b51c9158d44b3b2c1f2cd87db43f2d

Aliases

arxiv: 1001.4825 · arxiv_version: 1001.4825v1 · doi: 10.48550/arxiv.1001.4825 · pith_short_12: BDIT4AV7GBQ7 · pith_short_16: BDIT4AV7GBQ7WNDR · pith_short_8: BDIT4AV7

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/BDIT4AV7GBQ7WNDRC7CPIP5QXY \
  | 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: 08d13e02bf3061fb347117c4f43fb0be28b51c9158d44b3b2c1f2cd87db43f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e17e585d6a061187c5053c75ecc71c826ef4853ca93fd5e01fc580204f63e58a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-26T23:20:32Z",
    "title_canon_sha256": "5576c26c3e541ec236d59fef5350c8213f5209d07d654feca6dee34c0d48bc5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4825",
    "kind": "arxiv",
    "version": 1
  }
}