Pith Number

pith:4P7CVTCU

pith:2015:4P7CVTCUU6GMGXFC65LUE7JACU

not attested not anchored not stored refs pending

The Effects of Self-Shadowing by a Puffed up Inner Rim in Scattered Light Images of Protoplanetary Disks

Ruobing Dong (Berkeley)

arxiv:1507.07925 v1 · 2015-07-28 · astro-ph.SR · 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{4P7CVTCUU6GMGXFC65LUE7JACU}

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	2026-05-18T01:33:42.046683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3fe2acc54a78cc35ca2f757427d2015352c484321ea1aa59d044fdbcc7b2b58

Aliases

arxiv: 1507.07925 · arxiv_version: 1507.07925v1 · doi: 10.48550/arxiv.1507.07925 · pith_short_12: 4P7CVTCUU6GM · pith_short_16: 4P7CVTCUU6GMGXFC · pith_short_8: 4P7CVTCU

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/4P7CVTCUU6GMGXFC65LUE7JACU \
  | 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: e3fe2acc54a78cc35ca2f757427d2015352c484321ea1aa59d044fdbcc7b2b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c89d587845e6cb0040b40885af68e34d6a140bda96cf5a2c9cbc0b4512d7855b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-28T20:00:31Z",
    "title_canon_sha256": "df14a4cff5ea50c6ddd3e2857b093a1b87c4898c06e6447f51676cdd9b3432d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07925",
    "kind": "arxiv",
    "version": 1
  }
}