Pith Number

pith:5TYJR7ER

pith:2011:5TYJR7EREAYRPAMQQJC4KVBV2U

not attested not anchored not stored refs pending

Chaotic Spiral Galaxies

George Contopoulos, Mirella Harsoula

arxiv:1108.5958 v1 · 2011-08-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TYJR7EREAYRPAMQQJC4KVBV2U}

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	2026-05-18T04:14:28.149079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf098fc9120311781908245c55435d53c8cfbf8c9264cb9c8a589dd7df77593

Aliases

arxiv: 1108.5958 · arxiv_version: 1108.5958v1 · doi: 10.48550/arxiv.1108.5958 · pith_short_12: 5TYJR7EREAYR · pith_short_16: 5TYJR7EREAYRPAMQ · pith_short_8: 5TYJR7ER

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/5TYJR7EREAYRPAMQQJC4KVBV2U \
  | 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: ecf098fc9120311781908245c55435d53c8cfbf8c9264cb9c8a589dd7df77593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c920f3b1275a3602c9956eaee02a36eb1179d7f83ff174e42d1b61be52f71b1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-30T13:42:20Z",
    "title_canon_sha256": "68be08e3dab9af2051610abe79d6050e4d47774c597edbed740063bc8325f536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5958",
    "kind": "arxiv",
    "version": 1
  }
}