Pith Number

pith:TABDJO5N

pith:2013:TABDJO5NAPBALZR2LQSEN4HNGR

not attested not anchored not stored refs pending

Gas and dark matter in the Sculptor group: NGC 55

B\"arbel S. Koribalski, Robert Braun, Tobias Westmeier

arxiv:1307.2962 v1 · 2013-07-11 · astro-ph.CO · 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{TABDJO5NAPBALZR2LQSEN4HNGR}

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	2026-05-18T01:48:51.948288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

980234bbad03c205e63a5c2446f0ed346e6f06e6396c7005f6f276964e0f7167

Aliases

arxiv: 1307.2962 · arxiv_version: 1307.2962v1 · doi: 10.48550/arxiv.1307.2962 · pith_short_12: TABDJO5NAPBA · pith_short_16: TABDJO5NAPBALZR2 · pith_short_8: TABDJO5N

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/TABDJO5NAPBALZR2LQSEN4HNGR \
  | 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: 980234bbad03c205e63a5c2446f0ed346e6f06e6396c7005f6f276964e0f7167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0eaf0de35ede001fe9c53c5e8c56d09ec720d9c920621057324fecc21723c6b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-11T02:51:57Z",
    "title_canon_sha256": "078a9ab9942dc5663ef49f82ddf54098a493b4133d00be4eba13b5fee57121b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2962",
    "kind": "arxiv",
    "version": 1
  }
}