Pith Number

pith:IZWNC5AB

pith:1993:IZWNC5ABRTYWL3GV4TEZD2PAH2

not attested not anchored not stored refs pending

Position Angles and Alignments of Galaxy Clusters

Italy), Manolis Plionis (SISSA, Trieste 34013, via Beirut 2-4

arxiv:astro-ph/9312013 v1 · 1993-12-07 · 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{IZWNC5ABRTYWL3GV4TEZD2PAH2}

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	2026-07-04T14:14:26.917776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

466cd174018cf165ecd5e4c991e9e03ea220199ba898525a618b283b991a03c3

Aliases

arxiv: astro-ph/9312013 · arxiv_version: astro-ph/9312013v1 · doi: 10.48550/arxiv.astro-ph/9312013 · pith_short_12: IZWNC5ABRTYW · pith_short_16: IZWNC5ABRTYWL3GV · pith_short_8: IZWNC5AB

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/IZWNC5ABRTYWL3GV4TEZD2PAH2 \
  | 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: 466cd174018cf165ecd5e4c991e9e03ea220199ba898525a618b283b991a03c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e2a9029a92455092793ae8ca299c90def81d0bb8bc609c24237d3a3200f9b4d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-12-07T17:04:39Z",
    "title_canon_sha256": "cb040d5fca6ae2e708ca253c23f3a3d8801e9ae8e0350ae525e6a854f13ecf69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9312013",
    "kind": "arxiv",
    "version": 1
  }
}