Pith Number

pith:4TMS56QB

pith:2011:4TMS56QBBOAXGNR6SKIK5P3CKU

not attested not anchored not stored refs pending

What is a Galaxy? Cast your vote here...

Bonn), Duncan Forbes (Swinburne, Melbourne), Pavel Kroupa (AIfA

arxiv:1101.3309 v2 · 2011-01-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TMS56QBBOAXGNR6SKIK5P3CKU}

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	2026-05-18T02:03:38.992417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4d92efa010b8173363e9290aebf62551eb1e5cf6d0dd382e3e801d376cec744

Aliases

arxiv: 1101.3309 · arxiv_version: 1101.3309v2 · doi: 10.48550/arxiv.1101.3309 · pith_short_12: 4TMS56QBBOAX · pith_short_16: 4TMS56QBBOAXGNR6 · pith_short_8: 4TMS56QB

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/4TMS56QBBOAXGNR6SKIK5P3CKU \
  | 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: e4d92efa010b8173363e9290aebf62551eb1e5cf6d0dd382e3e801d376cec744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b4fc4cff69549070e83bdd52d34af9b38cf5c881b73742bfc73c2d3aa48825a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-17T21:00:00Z",
    "title_canon_sha256": "5042a8097cd5694eb19dd3c23775708ec0dad48c629e4cfefa1d8c1dd09a03fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3309",
    "kind": "arxiv",
    "version": 2
  }
}