Pith Number

pith:ZVDKVS35

pith:2002:ZVDKVS356GSZYNB37XQNDFGVBW

not attested not anchored not stored refs pending

VLT near-infrared spectra of hard serendipitous Chandra sources

A.C. Fabian (Institute of Astronomy, Cambridge), C.S. Crawford, P. Gandhi

arxiv:astro-ph/0206433 v2 · 2002-06-25 · 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{ZVDKVS356GSZYNB37XQNDFGVBW}

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	2026-07-04T15:49:48.323811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd46aacb7df1a59c343bfde0d194d50dafa86b0249fb035c8db0f5375357595d

Aliases

arxiv: astro-ph/0206433 · arxiv_version: astro-ph/0206433v2 · doi: 10.48550/arxiv.astro-ph/0206433 · pith_short_12: ZVDKVS356GSZ · pith_short_16: ZVDKVS356GSZYNB3 · pith_short_8: ZVDKVS35

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/ZVDKVS356GSZYNB37XQNDFGVBW \
  | 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: cd46aacb7df1a59c343bfde0d194d50dafa86b0249fb035c8db0f5375357595d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96ec3d721c26644bf322bb2d45b2926aaa5c4928f183b01869f4254447e2438e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-25T16:43:24Z",
    "title_canon_sha256": "2e65338f802b8d75f761eb2a25511f7b1445c749cfe6af0e4f75eb932ef4284f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206433",
    "kind": "arxiv",
    "version": 2
  }
}