Pith Number

pith:KPPVF66F

pith:2001:KPPVF66FE66L2J4KFE4ZU2WALP

not attested not anchored not stored refs pending

Chandra Deep Field South: The 1Msec Catalog

A. Koekemoer, A. Zirm, C. Norman, E. Schreier, G. Hasinger, J. Bergeron, J. Wang, L. Kewley, M. Nonino, N. Grogin, P. Rosati, P. Tozzi, R. Giacconi, R. Gilli, R. Gilmozzi, S. Borgani, V. Mainieri, W. Zheng

arxiv:astro-ph/0112184 v1 · 2001-12-07 · 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{KPPVF66FE66L2J4KFE4ZU2WALP}

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	2026-07-04T14:49:27.943101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53df52fbc527bcbd278a29399a6ac05bda0ec9404600385c6a38f0e59b7c9441

Aliases

arxiv: astro-ph/0112184 · arxiv_version: astro-ph/0112184v1 · doi: 10.48550/arxiv.astro-ph/0112184 · pith_short_12: KPPVF66FE66L · pith_short_16: KPPVF66FE66L2J4K · pith_short_8: KPPVF66F

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/KPPVF66FE66L2J4KFE4ZU2WALP \
  | 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: 53df52fbc527bcbd278a29399a6ac05bda0ec9404600385c6a38f0e59b7c9441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee69ac02af9c5b61d643a64ce1549bff39caa2c9b3dac370826f4c62c1e1f30c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-07T18:59:37Z",
    "title_canon_sha256": "17d3859d4ccb2e831931312bab884959946b5857ceeadce90833302e38080629"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112184",
    "kind": "arxiv",
    "version": 1
  }
}