Pith Number

pith:IR4JYG6Z

pith:2012:IR4JYG6ZBAR2QHPFIWLDFXC6YW

not attested not anchored not stored refs pending

A tidally distorted dwarf galaxy near NGC 4449

A. Benson, A. Koch, C. M. Black, D. B. Reitzel, F. M. Longstaff, M. L. M. Collins, R. M. Rich

arxiv:1202.2316 v1 · 2012-02-10 · 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{IR4JYG6ZBAR2QHPFIWLDFXC6YW}

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	2026-05-18T01:58:31.242997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44789c1bd90823a81de5459632dc5ec5bb1d293263a83e2256c13c54c644a577

Aliases

arxiv: 1202.2316 · arxiv_version: 1202.2316v1 · doi: 10.48550/arxiv.1202.2316 · pith_short_12: IR4JYG6ZBAR2 · pith_short_16: IR4JYG6ZBAR2QHPF · pith_short_8: IR4JYG6Z

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/IR4JYG6ZBAR2QHPFIWLDFXC6YW \
  | 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: 44789c1bd90823a81de5459632dc5ec5bb1d293263a83e2256c13c54c644a577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "940eb774fea7ddd0d5235a41c9490e496bf24cdb43a2f0222d16a5e659b3a5b9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-10T17:43:52Z",
    "title_canon_sha256": "dcf62b55037e13b3d53cdd0cf2dac1008ce68892f4cc6006bc00d7a881f4e921"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2316",
    "kind": "arxiv",
    "version": 1
  }
}