Pith Number

pith:BIMAQKRF

pith:2008:BIMAQKRFABZ4QNX3VZHANM4AS2

not attested not anchored not stored refs pending

The XMM-Newton survey of the ELAIS-S1 field II: optical identifications and multiwavelength catalogue of X-ray sources

A. Comastri, A. Franceschini, C. Feruglio, C. Gruppioni, C. Vignali, F. Fiore, F. La Franca, F. Pozzi, G. Zamorani, I. Matute, M. Brusa, M. Mignoli, N. Sacchi, S. Berta, S. Mathur, S. Puccetti

arxiv:0806.4778 v2 · 2008-06-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIMAQKRFABZ4QNX3VZHANM4AS2}

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	2026-07-04T17:11:34.686431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a18082a250073c836fbae4e06b38096bc3439cc7cb04fb4b6c3b7ed7a3d532a

Aliases

arxiv: 0806.4778 · arxiv_version: 0806.4778v2 · doi: 10.48550/arxiv.0806.4778 · pith_short_12: BIMAQKRFABZ4 · pith_short_16: BIMAQKRFABZ4QNX3 · pith_short_8: BIMAQKRF

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/BIMAQKRFABZ4QNX3VZHANM4AS2 \
  | 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: 0a18082a250073c836fbae4e06b38096bc3439cc7cb04fb4b6c3b7ed7a3d532a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47929f0f61915fcd8863d53cc794e3f399425fe5347b0c28a80f0d01be2816b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-29T18:44:20Z",
    "title_canon_sha256": "75ee0cb436309056af56d673c8a66c7e89b23fa15b0e7571930c181c776b1e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4778",
    "kind": "arxiv",
    "version": 2
  }
}