Pith Number

pith:BHU25IDT

pith:2014:BHU25IDTNGG7RDJ2H6HRS5OAFB

not attested not anchored not stored refs pending

Polarized Light Imaging of the HD 142527 Transition Disk with the Gemini Planet Imager: Dust around the Close-in Companion

Alycia Weinberger, Dean C. Hines, Katherine B. Follette, Laird Close, Timothy J. Rodigas

arxiv:1407.7041 v1 · 2014-07-25 · astro-ph.SR · 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{BHU25IDTNGG7RDJ2H6HRS5OAFB}

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	2026-05-18T01:42:29.820400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09e9aea073698df88d3a3f8f1975c02872544d502da5691ec01b484955bcd346

Aliases

arxiv: 1407.7041 · arxiv_version: 1407.7041v1 · doi: 10.48550/arxiv.1407.7041 · pith_short_12: BHU25IDTNGG7 · pith_short_16: BHU25IDTNGG7RDJ2 · pith_short_8: BHU25IDT

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/BHU25IDTNGG7RDJ2H6HRS5OAFB \
  | 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: 09e9aea073698df88d3a3f8f1975c02872544d502da5691ec01b484955bcd346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d133163e10eaf8f481427bd61b01d9288b3a16cc6573325aa3253a56b2699898",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-25T20:00:12Z",
    "title_canon_sha256": "82800b913723652efbad449d166745f63c360394a5c33df9537c9dc66c41a66e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7041",
    "kind": "arxiv",
    "version": 1
  }
}