Pith. sign in
Pith Number

pith:VSODTBFE

pith:2004:VSODTBFESCUD2SSKUF3O6SKL4Y
not attested not anchored not stored refs pending

Photometric Redshift of X-Ray Sources in the Chandra Deep Field South

A. Zirm, C. Norman, C. Wolf, G. Hasinger, G. Szokoly, J. X. Wang, P. Rosati, P. Tozzi, R. Giacconi, R. Gilli, V. J. Mikles, V. Mainieri, W. Zheng

arxiv:astro-ph/0406482 v1 · 2004-06-22 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VSODTBFESCUD2SSKUF3O6SKL4Y}

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 2026-07-04T16:44:03.703064Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ac9c3984a490a83d4a4aa176ef494be60de0e516e9e2f702dd2b4d472baf73a6

Aliases

arxiv: astro-ph/0406482 · arxiv_version: astro-ph/0406482v1 · doi: 10.48550/arxiv.astro-ph/0406482 · pith_short_12: VSODTBFESCUD · pith_short_16: VSODTBFESCUD2SSK · pith_short_8: VSODTBFE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VSODTBFESCUD2SSKUF3O6SKL4Y \
  | 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: ac9c3984a490a83d4a4aa176ef494be60de0e516e9e2f702dd2b4d472baf73a6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d2af14a465a21a40c3fd69aff79b9b547b4adc21a8f810f0c886c182648164a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-22T13:42:15Z",
    "title_canon_sha256": "245fa7c2b69984fa15fa255ca005156dc7247c2329ce967aad1c82ae6e7d2622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406482",
    "kind": "arxiv",
    "version": 1
  }
}