Pith Number

pith:FC45AHF6

pith:2009:FC45AHF6T6ZL7DDOBNE3XH4YVR

not attested not anchored not stored refs pending

A search for massive UCDs in the Centaurus Galaxy Cluster

A. Jordan, I. Misgeld, L. Infante, M. Hilker, M. Kissler-Patig, S. Mieske

arxiv:0901.4919 v1 · 2009-01-30 · 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{FC45AHF6T6ZL7DDOBNE3XH4YVR}

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	2026-05-18T02:14:54.885552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b9d01cbe9fb2bf8c6e0b49bb9f98ac587db673c88972ba880315d8bf6849b1

Aliases

arxiv: 0901.4919 · arxiv_version: 0901.4919v1 · doi: 10.48550/arxiv.0901.4919 · pith_short_12: FC45AHF6T6ZL · pith_short_16: FC45AHF6T6ZL7DDO · pith_short_8: FC45AHF6

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/FC45AHF6T6ZL7DDOBNE3XH4YVR \
  | 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: 28b9d01cbe9fb2bf8c6e0b49bb9f98ac587db673c88972ba880315d8bf6849b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c87b923d5629dc61a0628b4fce431caef9b8e118a8f1ede7d41f61233af6aad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-30T16:01:39Z",
    "title_canon_sha256": "86f91d920361473328a364448fb252cba9971dc9398eef301fd0fb19113bb2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4919",
    "kind": "arxiv",
    "version": 1
  }
}