Pith Number

pith:XG52U4KR

pith:2010:XG52U4KRXNN7FVXDJ4NWFDYU7P

not attested not anchored not stored refs pending

Spectroscopy from Photometry Using Sparsity. The SDSS Case Study

A. Asensio Ramos, C. Allende Prieto (Instituto de Astrofisica de Canarias)

arxiv:1006.5391 v1 · 2010-06-28 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XG52U4KRXNN7FVXDJ4NWFDYU7P}

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	2026-05-18T02:06:34.864310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9bbaa7151bb5bf2d6e34f1b628f14fbe453a7cfd73bd04092b79e1275fbb0a6

Aliases

arxiv: 1006.5391 · arxiv_version: 1006.5391v1 · doi: 10.48550/arxiv.1006.5391 · pith_short_12: XG52U4KRXNN7 · pith_short_16: XG52U4KRXNN7FVXD · pith_short_8: XG52U4KR

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/XG52U4KRXNN7FVXDJ4NWFDYU7P \
  | 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: b9bbaa7151bb5bf2d6e34f1b628f14fbe453a7cfd73bd04092b79e1275fbb0a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43d466f33eaacdae6e9173c487bf82f7729912e6b36985c5c1f3cd4bdd2a2205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-28T16:13:18Z",
    "title_canon_sha256": "8df4959579878593b64a3fcdaa7f40fe9cbcf046182f0d49ec12fa690f73418a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5391",
    "kind": "arxiv",
    "version": 1
  }
}