Pith Number

pith:UG7DK72Z

pith:2013:UG7DK72ZA4BUCAB5RHK2PU5SPR

not attested not anchored not stored refs pending

Modeling Self-Subtraction in Angular Differential Imaging: Application to the HD 32297 Debris Disk

James R. Graham, Michael P. Fitzgerald, Paul Kalas, Thomas M. Esposito

arxiv:1310.7026 v1 · 2013-10-25 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UG7DK72ZA4BUCAB5RHK2PU5SPR}

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	2026-05-18T03:05:01.055038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1be357f59070341003d89d5a7d3b27c69299eab70f136d366639e08694103a9

Aliases

arxiv: 1310.7026 · arxiv_version: 1310.7026v1 · doi: 10.48550/arxiv.1310.7026 · pith_short_12: UG7DK72ZA4BU · pith_short_16: UG7DK72ZA4BUCAB5 · pith_short_8: UG7DK72Z

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/UG7DK72ZA4BUCAB5RHK2PU5SPR \
  | 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: a1be357f59070341003d89d5a7d3b27c69299eab70f136d366639e08694103a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b756770c5ffab5dce58370f1074f9df2a83baad74791ae6141c88bf0a25142e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-25T20:00:03Z",
    "title_canon_sha256": "d4193d6dcce0ac818f7e1cd7ab33cc4f98c11ef8eb0e45f85462fd4213e74c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7026",
    "kind": "arxiv",
    "version": 1
  }
}