Pith Number

pith:S26JT7WD

pith:2012:S26JT7WDX467NQLB5UMVAYTH6H

not attested not anchored not stored refs pending

NGC 3627: a galaxy-dwarf collision?

D. J. Bomans, M. Soida, M. Wezgowiec

arxiv:1207.1195 v1 · 2012-07-05 · 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{S26JT7WDX467NQLB5UMVAYTH6H}

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	2026-05-18T01:56:34.486631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bc99fec3bf3df6c161ed19506267f1c4f193867906c89cad4c0a7c5179084b

Aliases

arxiv: 1207.1195 · arxiv_version: 1207.1195v1 · doi: 10.48550/arxiv.1207.1195 · pith_short_12: S26JT7WDX467 · pith_short_16: S26JT7WDX467NQLB · pith_short_8: S26JT7WD

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/S26JT7WDX467NQLB5UMVAYTH6H \
  | 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: 96bc99fec3bf3df6c161ed19506267f1c4f193867906c89cad4c0a7c5179084b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cdfb48dce3ac59b3c0c6ce2cf0c5892146d1e30ca9f060dbcaded45b3b60bff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-05T08:53:37Z",
    "title_canon_sha256": "63d406451ee9e5a931fe1a7400ab94b60415d5a50c462d2b7d7fe412c9bca4ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1195",
    "kind": "arxiv",
    "version": 1
  }
}