Pith Number

pith:26HCNV6R

pith:2010:26HCNV6REZILRK5H7O3Q65IQWA

not attested not anchored not stored refs pending

Photometric Catalogue of Quasars and Other Point Sources in the Sloan Digital Sky Survey

Ajit Kembhavi, Ninan Sajeeth Philip, Rita Sinha, Sheelu Abraham, Yogesh G Wadadekar

arxiv:1011.2173 v3 · 2010-11-09 · astro-ph.IM · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26HCNV6REZILRK5H7O3Q65IQWA}

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	2026-05-18T02:04:49.653488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d78e26d7d12650b8aba7fbb70f7510b03668aad45bb8bb46eb152f70449659a4

Aliases

arxiv: 1011.2173 · arxiv_version: 1011.2173v3 · doi: 10.48550/arxiv.1011.2173 · pith_short_12: 26HCNV6REZIL · pith_short_16: 26HCNV6REZILRK5H · pith_short_8: 26HCNV6R

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/26HCNV6REZILRK5H7O3Q65IQWA \
  | 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: d78e26d7d12650b8aba7fbb70f7510b03668aad45bb8bb46eb152f70449659a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29bcf0ab1ecc762ba7df4a92f6aeee6f1a85c0cd3aa90036a5b385f966604e8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-11-09T18:57:15Z",
    "title_canon_sha256": "84b68a3ff336d67845ce7d5e3936ec1ba1829ef6e323b12433018c07dc2e4f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2173",
    "kind": "arxiv",
    "version": 3
  }
}