Pith Number

pith:3BUCTGVG

pith:2012:3BUCTGVGSZL6CFKQLC7SZFXGGW

not attested not anchored not stored refs pending

Testing a simple recipe for estimating galaxy masses from minimal observational data

E. Churazov, I.Zhuravleva, L. Oser, N. Lyskova, O. Gerhard, T. Naab, X. Wu

arxiv:1204.0465 v1 · 2012-04-02 · 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{3BUCTGVGSZL6CFKQLC7SZFXGGW}

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	2026-05-18T01:57:58.034375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d868299aa69657e1155058bf2c96e635a4e40f8028fa70124fa7aabe1e579e51

Aliases

arxiv: 1204.0465 · arxiv_version: 1204.0465v1 · doi: 10.48550/arxiv.1204.0465 · pith_short_12: 3BUCTGVGSZL6 · pith_short_16: 3BUCTGVGSZL6CFKQ · pith_short_8: 3BUCTGVG

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/3BUCTGVGSZL6CFKQLC7SZFXGGW \
  | 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: d868299aa69657e1155058bf2c96e635a4e40f8028fa70124fa7aabe1e579e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76269c9929f80d80e62c6c44e50edd39d9deb81d2c79e85ace3cec449bb00b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-02T16:56:13Z",
    "title_canon_sha256": "4dec8553795b67a569b0fe4b02b7ca5b47fc0cc839e71de96c64958f222363fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0465",
    "kind": "arxiv",
    "version": 1
  }
}