Pith Number

pith:SPHSG6QC

pith:2013:SPHSG6QCDTI6I7RI3REJOK2RFE

not attested not anchored not stored refs pending

The 0.5-2.22-micron Scattered Light Spectrum of the Disk Around TW Hya: Detection of a Partially Filled Disk Gap at 80 AU

A. J. Weinberger, A. Roberge, G. Schneider, H. Jang-Condell, J. H. Debes

arxiv:1306.2969 v1 · 2013-06-12 · astro-ph.EP · 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{SPHSG6QCDTI6I7RI3REJOK2RFE}

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	2026-05-18T01:49:22.961358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93cf237a021cd1e47e28dc48972b51291f98ba9a99cd2d286303f3dfe0878a87

Aliases

arxiv: 1306.2969 · arxiv_version: 1306.2969v1 · doi: 10.48550/arxiv.1306.2969 · pith_short_12: SPHSG6QCDTI6 · pith_short_16: SPHSG6QCDTI6I7RI · pith_short_8: SPHSG6QC

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/SPHSG6QCDTI6I7RI3REJOK2RFE \
  | 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: 93cf237a021cd1e47e28dc48972b51291f98ba9a99cd2d286303f3dfe0878a87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cffa9c6b26484111879e708af201e1f86ae088ce6fc633cfa6ddb19bd29b8d16",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-06-12T20:29:50Z",
    "title_canon_sha256": "5331274667e86843f48a7d6d851f75079ba14703ed6dcc58a90e7454e28382a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2969",
    "kind": "arxiv",
    "version": 1
  }
}