Pith Number

pith:QVM4ECMV

pith:2010:QVM4ECMVVQUUGVVFVJDFC3GWDI

not attested not anchored not stored refs pending

Automated curation of infra-red imaging data in the WFCAM and VISTA Science Archives

Echhard Sutorius, Mike Read, Nicholas Cross, Nigel Hambly, Rob Blake, Ross Collins

arxiv:1012.4107 v1 · 2010-12-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVM4ECMVVQUUGVVFVJDFC3GWDI}

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	2026-05-18T04:32:55.452265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8559c20995ac294356a5aa46516cd61a230a9657769d19f83733b66134e76286

Aliases

arxiv: 1012.4107 · arxiv_version: 1012.4107v1 · doi: 10.48550/arxiv.1012.4107 · pith_short_12: QVM4ECMVVQUU · pith_short_16: QVM4ECMVVQUUGVVF · pith_short_8: QVM4ECMV

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/QVM4ECMVVQUUGVVFVJDFC3GWDI \
  | 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: 8559c20995ac294356a5aa46516cd61a230a9657769d19f83733b66134e76286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d86c4bcb7ef512b0cd5f47d3032de47b59595755c797c60dd6c0a22bf526932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-18T17:33:18Z",
    "title_canon_sha256": "07abfdccd76f405908dcd1120b149e75beeecdcd6e6e5e20a4ada560d8e42d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4107",
    "kind": "arxiv",
    "version": 1
  }
}