Pith Number

pith:Z4SJEKL2

pith:2000:Z4SJEKL22F3YFSUIVY62TPGBOG

not attested not anchored not stored refs pending

Environmental Effects on Gas and Galaxy Evolution in Clusters

Bianca M. Poggianti, Jacqueline H. van Gorkom

arxiv:astro-ph/0009293 v1 · 2000-09-19 · 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{Z4SJEKL22F3YFSUIVY62TPGBOG}

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	2026-07-04T14:10:43.746832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2492297ad17782ca88ae3da9bcc171a9814cb3bc7bf4faf8895171c7b17cbb

Aliases

arxiv: astro-ph/0009293 · arxiv_version: astro-ph/0009293v1 · doi: 10.48550/arxiv.astro-ph/0009293 · pith_short_12: Z4SJEKL22F3Y · pith_short_16: Z4SJEKL22F3YFSUI · pith_short_8: Z4SJEKL2

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/Z4SJEKL22F3YFSUIVY62TPGBOG \
  | 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: cf2492297ad17782ca88ae3da9bcc171a9814cb3bc7bf4faf8895171c7b17cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518b54cd5f847944303b621ad09c33fad480179832a2a640261ae5c4eeaf6fce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-19T09:45:42Z",
    "title_canon_sha256": "abe50510c598687324e1e5da0506489ecd60a34995c32e0fa52678fd39d6965c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009293",
    "kind": "arxiv",
    "version": 1
  }
}