Pith Number

pith:FOSJZBJ4

pith:2012:FOSJZBJ4FBUDWGSZZPHBPKM6E2

not attested not anchored not stored refs pending

Hubble Space Telescope Pixel Analysis of the Interacting S0 Galaxy NGC 5195 (M51B)

Chang Hee Ree, Hyunjin Jeong, Jaemann Kyeong (Korea Astronomy, Jong Chul Lee, Joon Hyeop Lee, Minjin Kim, Sang Chul Kim, Space Science Institute)

arxiv:1205.4777 v1 · 2012-05-22 · 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{FOSJZBJ4FBUDWGSZZPHBPKM6E2}

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	2026-05-18T01:57:24.721903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba49c853c28683b1a59cbce17a99e269b3b64648a089ec33f8e84419d9dc56c

Aliases

arxiv: 1205.4777 · arxiv_version: 1205.4777v1 · doi: 10.48550/arxiv.1205.4777 · pith_short_12: FOSJZBJ4FBUD · pith_short_16: FOSJZBJ4FBUDWGSZ · pith_short_8: FOSJZBJ4

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/FOSJZBJ4FBUDWGSZZPHBPKM6E2 \
  | 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: 2ba49c853c28683b1a59cbce17a99e269b3b64648a089ec33f8e84419d9dc56c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eabdd83d22bdc061b24d6d0f8fbcd7a7e883f7ad46b28cc33152ca800c5b2a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-22T00:14:51Z",
    "title_canon_sha256": "f6e4d92c23bbcc4afeef62b9bc095051a387f924cfbd3777da11976f6e56b9bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4777",
    "kind": "arxiv",
    "version": 1
  }
}