Pith Number

pith:4ZTQ3EWR

pith:2012:4ZTQ3EWRIOUHAWYX5SMOW26C7G

not attested not anchored not stored refs pending

H-alpha survey of nearby dwarf galaxies

I. D. Karachentsev, S. Ravindranath, S. S. Kaisin

arxiv:1206.5585 v1 · 2012-06-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZTQ3EWRIOUHAWYX5SMOW26C7G}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:42.524702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6670d92d143a8705b17ec98eb6bc2f9aef7131f8bd3ff0f9912103fb02ff0d9

Aliases

arxiv: 1206.5585 · arxiv_version: 1206.5585v1 · doi: 10.48550/arxiv.1206.5585 · pith_short_12: 4ZTQ3EWRIOUH · pith_short_16: 4ZTQ3EWRIOUHAWYX · pith_short_8: 4ZTQ3EWR

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/4ZTQ3EWRIOUHAWYX5SMOW26C7G \
  | 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: e6670d92d143a8705b17ec98eb6bc2f9aef7131f8bd3ff0f9912103fb02ff0d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8e7d8389d19081978debfd668d035b877d9b27750d24be1d611f292cf98b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-25T06:23:36Z",
    "title_canon_sha256": "90ac90d970105e0e7fb81e3bac893692775a126c507bef019e99b558eff70467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5585",
    "kind": "arxiv",
    "version": 1
  }
}