Pith Number

pith:KC3QHHZY

pith:2018:KC3QHHZYGYYJAIBQNUEUFD4I5P

not attested not anchored not stored refs pending

Dust in the Eye of Andromeda

A. P. Whitworth, K. A. Marsh, M. W. L. Smith, O. Lomax, S. A. Eales

arxiv:1807.10238 v1 · 2018-07-26 · 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{KC3QHHZYGYYJAIBQNUEUFD4I5P}

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	2026-05-18T00:08:37.716430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b7039f3836309020306d09428f88ebfd008b295d72a9d49a33d9e90d0d4322

Aliases

arxiv: 1807.10238 · arxiv_version: 1807.10238v1 · doi: 10.48550/arxiv.1807.10238 · pith_short_12: KC3QHHZYGYYJ · pith_short_16: KC3QHHZYGYYJAIBQ · pith_short_8: KC3QHHZY

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/KC3QHHZYGYYJAIBQNUEUFD4I5P \
  | 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: 50b7039f3836309020306d09428f88ebfd008b295d72a9d49a33d9e90d0d4322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20904d1ae38ecadff7ae59a1218b14d5a6507b10f98d5b46205e2c661931eac8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-26T16:45:57Z",
    "title_canon_sha256": "7dec2fc085a353d0f65baa353cfd26309f03dafc417a7263ef3a5a09cfe51b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10238",
    "kind": "arxiv",
    "version": 1
  }
}