Pith Number

pith:OMIH4XAP

pith:2017:OMIH4XAPCQRX6W2NPSLDMCRIEZ

not attested not anchored not stored refs pending

The fate of the Antennae galaxies

Antti Rantala, Matteo Frigo, Natalia Lah\'en, Peter H. Johansson, Thorsten Naab

arxiv:1709.00010 v2 · 2017-08-31 · 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{OMIH4XAPCQRX6W2NPSLDMCRIEZ}

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	2026-05-18T00:25:17.434359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73107e5c0f14237f5b4d7c96360a282640c3e1b99e12bfbd5d15ddd13de05c7b

Aliases

arxiv: 1709.00010 · arxiv_version: 1709.00010v2 · doi: 10.48550/arxiv.1709.00010 · pith_short_12: OMIH4XAPCQRX · pith_short_16: OMIH4XAPCQRX6W2N · pith_short_8: OMIH4XAP

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/OMIH4XAPCQRX6W2NPSLDMCRIEZ \
  | 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: 73107e5c0f14237f5b4d7c96360a282640c3e1b99e12bfbd5d15ddd13de05c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8821d730b6f894e7ab56eddd03822c9c220b36aa7182ca7aeefe44252545cbf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-31T18:00:03Z",
    "title_canon_sha256": "ca0796677c8c334c1e5b5b83d6554a3d7c3aefa37999cec738bd2542e291c26c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00010",
    "kind": "arxiv",
    "version": 2
  }
}