Pith Number

pith:2ZVWUDV2

pith:2000:2ZVWUDV26OJKMBURKFZZXW4CAM

not attested not anchored not stored refs pending

A low global star formation rate in the rich galaxy cluster AC114 at z=0.32

Ian Smail, Karl Glazebrook & Melinda Taylor, Michael L. Balogh, Richard G. Bower, Warrick J. Couch

arxiv:astro-ph/0010505 v1 · 2000-10-25 · 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{2ZVWUDV26OJKMBURKFZZXW4CAM}

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	2026-05-18T04:27:05.573674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66b6a0ebaf392a6069151739bdb8203283a0d94ac543410368d7c25677d3426

Aliases

arxiv: astro-ph/0010505 · arxiv_version: astro-ph/0010505v1 · doi: 10.48550/arxiv.astro-ph/0010505 · pith_short_12: 2ZVWUDV26OJK · pith_short_16: 2ZVWUDV26OJKMBUR · pith_short_8: 2ZVWUDV2

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/2ZVWUDV26OJKMBURKFZZXW4CAM \
  | 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: d66b6a0ebaf392a6069151739bdb8203283a0d94ac543410368d7c25677d3426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "935202e78496b6483099e32a5c460cc8689f05f3134194c20170fc5417a54fff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-25T07:43:09Z",
    "title_canon_sha256": "ff208b1ec573a7cbf3376605ab2cc0b67c26553e5c0747f6fc54fcb1d4a9d86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010505",
    "kind": "arxiv",
    "version": 1
  }
}