Pith Number

pith:UUYRWLTL

pith:2011:UUYRWLTLM2BY45KDTAQGXQAZIS

not attested not anchored not stored refs pending

Unlocking the secrets of stellar haloes using combined star counts and surface photometry

E. Zackrisson, G. Micheva, R. S. de Jong

arxiv:1112.1696 v2 · 2011-12-07 · 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{UUYRWLTLM2BY45KDTAQGXQAZIS}

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	2026-05-18T01:59:15.431503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5311b2e6b66838e754398206bc01944b18d013eae3eb63c2aa6ad1a8d31cc34

Aliases

arxiv: 1112.1696 · arxiv_version: 1112.1696v2 · doi: 10.48550/arxiv.1112.1696 · pith_short_12: UUYRWLTLM2BY · pith_short_16: UUYRWLTLM2BY45KD · pith_short_8: UUYRWLTL

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/UUYRWLTLM2BY45KDTAQGXQAZIS \
  | 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: a5311b2e6b66838e754398206bc01944b18d013eae3eb63c2aa6ad1a8d31cc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c3da1d02c244d892d0ba28a9d43c3db5d55531856902a917c40687eb66bc2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-07T21:00:03Z",
    "title_canon_sha256": "f2631ccc80127dc13ecef3c12a8324bfa6cd8b884d3751dc10fa27d52e897a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1696",
    "kind": "arxiv",
    "version": 2
  }
}