Pith Number

pith:ECY3R7EX

pith:2007:ECY3R7EXGU7ONRSQDLGXSC3GE4

not attested not anchored not stored refs pending

An X-ray Survey in SA 57 with XMM-Newton

D. Trevese, F. Fiore, F. Vagnetti, M. A. Bershady, M. Tomei, S. Puccetti

arxiv:0704.3552 v1 · 2007-04-26 · 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{ECY3R7EXGU7ONRSQDLGXSC3GE4}

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	2026-07-04T17:03:24.495532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b1b8fc97353ee6c6501acd790b6627222358a4720edc88dadf6cfd1dc0d6f7

Aliases

arxiv: 0704.3552 · arxiv_version: 0704.3552v1 · doi: 10.48550/arxiv.0704.3552 · pith_short_12: ECY3R7EXGU7O · pith_short_16: ECY3R7EXGU7ONRSQ · pith_short_8: ECY3R7EX

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/ECY3R7EXGU7ONRSQDLGXSC3GE4 \
  | 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: 20b1b8fc97353ee6c6501acd790b6627222358a4720edc88dadf6cfd1dc0d6f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbcd747c6003f17974a7a89ed14ed47151ba686dea03b671508b4cb5ba3adeb1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-26T14:26:10Z",
    "title_canon_sha256": "beb81c173f7bc97f46b5816973cdf78de78a748ac77d76760518a06f870e918c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3552",
    "kind": "arxiv",
    "version": 1
  }
}