Pith Number

pith:5PD2RWVD

pith:2011:5PD2RWVDEHOUFPMQTNRI2XFY2E

not attested not anchored not stored refs pending

Spatially resolved properties of the grand-design spiral galaxy UGC 9837: a case for high-redshift 2D observations

A. Gil de Paz, D. Cristobal-Hornillos, D. Mast, E. Marmol-Queralto, G. van de Ven, J. Iglesias-Paramo, J. Vilchez, K. Viironen, L. Wisotzki, R. A. Marino, S. F. Sanchez

arxiv:1111.5205 v1 · 2011-11-22 · 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{5PD2RWVDEHOUFPMQTNRI2XFY2E}

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	2026-05-18T01:59:26.846999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc7a8daa321dd42bd909b628d5cb8d1197bfbfd7b268e8b716d1628af1b5a8c

Aliases

arxiv: 1111.5205 · arxiv_version: 1111.5205v1 · doi: 10.48550/arxiv.1111.5205 · pith_short_12: 5PD2RWVDEHOU · pith_short_16: 5PD2RWVDEHOUFPMQ · pith_short_8: 5PD2RWVD

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/5PD2RWVDEHOUFPMQTNRI2XFY2E \
  | 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: ebc7a8daa321dd42bd909b628d5cb8d1197bfbfd7b268e8b716d1628af1b5a8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "020c680d3926ed670e8a80ca92567f8606184ff209ac9be8c62417e7e1487507",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-22T14:51:45Z",
    "title_canon_sha256": "702b4238b758c572cf83c51bb1b4a6a0e567d4c09d82798b6d38db59c04b432b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5205",
    "kind": "arxiv",
    "version": 1
  }
}