Pith Number

pith:ECZ3BJTW

pith:2019:ECZ3BJTWRVQ2YILORPNYKXV34E

not attested not anchored not stored refs pending

The soft X-ray counterpart of Hanny's Voorwerp near IC 2497

G. Fabbiano, M. Elvis

arxiv:1909.02099 v1 · 2019-09-04 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECZ3BJTWRVQ2YILORPNYKXV34E}

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	2026-07-05T00:17:13.533104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b3b0a6768d61ac216e8bdb855ebbe118ba1ee9eb0df85c72567f6a9e1fee54

Aliases

arxiv: 1909.02099 · arxiv_version: 1909.02099v1 · doi: 10.48550/arxiv.1909.02099 · pith_short_12: ECZ3BJTWRVQ2 · pith_short_16: ECZ3BJTWRVQ2YILO · pith_short_8: ECZ3BJTW

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/ECZ3BJTWRVQ2YILORPNYKXV34E \
  | 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: 20b3b0a6768d61ac216e8bdb855ebbe118ba1ee9eb0df85c72567f6a9e1fee54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efad7536016dc8e620b48a02e1d65535e52d29dcd64c620760ce169be521f805",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-04T20:38:11Z",
    "title_canon_sha256": "c59cad3a1b2d422ccb944333ddbc60c051371d9412a8db1728a6a8696f21f2d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02099",
    "kind": "arxiv",
    "version": 1
  }
}