Pith Number

pith:D4WF7XIT

pith:2010:D4WF7XITL7J3FOGNQOC3T2YWQE

not attested not anchored not stored refs pending

The Light Curve of the Weakly-Accreting T Tauri Binary KH 15D from 2005-10: Insights into the Nature of its Protoplanetary Disk

Catrina M. Hamilton, Christopher M. Johns-Krull, Joshua N. Winn, Katherine LeDuc, Mansur Ibrahimov, Reinhard Mundt, William Herbst

arxiv:1007.4212 v1 · 2010-07-23 · 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{D4WF7XITL7J3FOGNQOC3T2YWQE}

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	2026-05-18T02:06:10.895637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2c5fdd135fd3b2b8cd8385b9eb1681109123eadb1c0d1ca7ec90ce800fad9f

Aliases

arxiv: 1007.4212 · arxiv_version: 1007.4212v1 · doi: 10.48550/arxiv.1007.4212 · pith_short_12: D4WF7XITL7J3 · pith_short_16: D4WF7XITL7J3FOGN · pith_short_8: D4WF7XIT

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/D4WF7XITL7J3FOGNQOC3T2YWQE \
  | 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: 1f2c5fdd135fd3b2b8cd8385b9eb1681109123eadb1c0d1ca7ec90ce800fad9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "384b4312bfd4d258c15a6149308f94857aa5262657dabcd9493d7d71b5139990",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-23T20:33:24Z",
    "title_canon_sha256": "122fb85c8085dbc7a13259d475515c9c34d7a8fe371b7ea2a4e0d16a6d72a22f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4212",
    "kind": "arxiv",
    "version": 1
  }
}