Pith Number

pith:DDBOML2K

pith:2012:DDBOML2KBLNG2R46C57TODQGCZ

not attested not anchored not stored refs pending

Giant Galaxies, Dwarfs, and Debris Survey. I. Dwarf Galaxies and Tidal Features Around NGC 7331

Anna Pasquali, Eva K. Grebel, Johannes Ludwig, John S. Gallagher III

arxiv:1211.3764 v1 · 2012-11-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDBOML2KBLNG2R46C57TODQGCZ}

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	2026-05-18T01:53:10.644650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c2e62f4a0ada6d479e177f370e06166d492362490c3c0d4d856800fecc6ced

Aliases

arxiv: 1211.3764 · arxiv_version: 1211.3764v1 · doi: 10.48550/arxiv.1211.3764 · pith_short_12: DDBOML2KBLNG · pith_short_16: DDBOML2KBLNG2R46 · pith_short_8: DDBOML2K

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/DDBOML2KBLNG2R46C57TODQGCZ \
  | 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: 18c2e62f4a0ada6d479e177f370e06166d492362490c3c0d4d856800fecc6ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b3b587b643002a54e24dabc38db3d547256a6290686f6f3fc1392ba024b794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-15T22:01:45Z",
    "title_canon_sha256": "b121a407f94da71daa4bf1b48c60fca867a8464b7151e4f0c74c70a4cf52303b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3764",
    "kind": "arxiv",
    "version": 1
  }
}