Pith Number

pith:GVY35FYJ

pith:1997:GVY35FYJXDS3P2X4ZY4P6NCHC4

not attested not anchored not stored refs pending

Clustering of Absorbers

A. Fontana, E. Giallongo, L. Moscardini, S. Cristiani, S. D'Odorico, S. Savaglio, V. D'Odorico

arxiv:astro-ph/9711159 v1 · 1997-11-14 · 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{GVY35FYJXDS3P2X4ZY4P6NCHC4}

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	2026-07-04T14:15:24.349057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3571be9709b8e5b7eafcce38ff3447172a3c793fdedb7b81a9500bd6e553b6b1

Aliases

arxiv: astro-ph/9711159 · arxiv_version: astro-ph/9711159v1 · doi: 10.48550/arxiv.astro-ph/9711159 · pith_short_12: GVY35FYJXDS3 · pith_short_16: GVY35FYJXDS3P2X4 · pith_short_8: GVY35FYJ

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/GVY35FYJXDS3P2X4ZY4P6NCHC4 \
  | 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: 3571be9709b8e5b7eafcce38ff3447172a3c793fdedb7b81a9500bd6e553b6b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46928300fa5555f49a1fb6c65bf4804c90dcd69814d0ac1266e617423cbe6976",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-14T10:29:11Z",
    "title_canon_sha256": "3823e4ebd8650328e993bdc8fa085893d0ada11d0ffc5bfbf5007e3c94430e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711159",
    "kind": "arxiv",
    "version": 1
  }
}