Pith Number

pith:4AEOH3XV

pith:2011:4AEOH3XV5KNNFMLWKFASHYHGDL

not attested not anchored not stored refs pending

A Chandra Observation of the Nearby Sculptor Group Sd Galaxy NGC 7793

Christina K. Lacey, Eric M. Schlegel, Ilana M. Harrus, Jeffrey L. Payne, Miroslav D. Filipovic, Robert Petre, Thomas G. Pannuti, Wayne D. Staggs

arxiv:1106.1656 v1 · 2011-06-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4AEOH3XV5KNNFMLWKFASHYHGDL}

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	2026-05-18T02:01:40.654775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e008e3eef5ea9ad2b176514123e0e61ad5968c4757a6dd5eb08d7e121ba20f9e

Aliases

arxiv: 1106.1656 · arxiv_version: 1106.1656v1 · doi: 10.48550/arxiv.1106.1656 · pith_short_12: 4AEOH3XV5KNN · pith_short_16: 4AEOH3XV5KNNFMLW · pith_short_8: 4AEOH3XV

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/4AEOH3XV5KNNFMLWKFASHYHGDL \
  | 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: e008e3eef5ea9ad2b176514123e0e61ad5968c4757a6dd5eb08d7e121ba20f9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667b3c6ca6a5ed3d4d7b3dfb804e66ae75c9045ae2ad95cb59675e977f1f5a92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-08T20:08:30Z",
    "title_canon_sha256": "ace937e475d77f4907aca7e47d307269f93b2bc7a958c3733c76cace460c0697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1656",
    "kind": "arxiv",
    "version": 1
  }
}