Pith Number

pith:IHY7SYLF

pith:2000:IHY7SYLFRYNZZ4XZKJT4WAT4GD

not attested not anchored not stored refs pending

Multi-color Classification in the Calar Alto Deep Imaging Survey

B. von Kuhlmann, C. Maier, C. Wolf, D. Thompson, E. Thommes, F. H. Chaffee, H. Hippelein, H.-J. R\"oser, H.-W. Rix, J. Fried, Jr., J.-S. Huang, K. Meisenheimer, M. K\"ummel, S. Phleps, S.V.W. Beckwith

arxiv:astro-ph/0010604 v1 · 2000-10-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHY7SYLFRYNZZ4XZKJT4WAT4GD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:47:51.821228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f1f961658e1b9cf2f95267cb027c30c7063f4ef550cfb82ce1f821e4465289

Aliases

arxiv: astro-ph/0010604 · arxiv_version: astro-ph/0010604v1 · doi: 10.48550/arxiv.astro-ph/0010604 · pith_short_12: IHY7SYLFRYNZ · pith_short_16: IHY7SYLFRYNZZ4XZ · pith_short_8: IHY7SYLF

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/IHY7SYLFRYNZZ4XZKJT4WAT4GD \
  | 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: 41f1f961658e1b9cf2f95267cb027c30c7063f4ef550cfb82ce1f821e4465289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f4091f98df558d1f3b6180232789cd25db62e4b22d166bacc104ecc9f981fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-30T16:42:09Z",
    "title_canon_sha256": "d692384f37e426c18df77a535d79c5d61da0d7dd25e4fb289ca29748f9798134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010604",
    "kind": "arxiv",
    "version": 1
  }
}