Pith Number

pith:U6YHSBSZ

pith:2018:U6YHSBSZGVCNWOQ2IRE2UAN7K3

not attested not anchored not stored refs pending

Through a Mini Halo, Darkly

Geoff Beck, Sergio Colafrancesco

arxiv:1804.06624 v4 · 2018-04-18 · 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{U6YHSBSZGVCNWOQ2IRE2UAN7K3}

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	2026-05-17T23:54:16.565425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b07906593544db3a1a4449aa01bf56d1e343e8262cb06ba024b30255a3bab9

Aliases

arxiv: 1804.06624 · arxiv_version: 1804.06624v4 · doi: 10.48550/arxiv.1804.06624 · pith_short_12: U6YHSBSZGVCN · pith_short_16: U6YHSBSZGVCNWOQ2 · pith_short_8: U6YHSBSZ

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/U6YHSBSZGVCNWOQ2IRE2UAN7K3 \
  | 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: a7b07906593544db3a1a4449aa01bf56d1e343e8262cb06ba024b30255a3bab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c9b07d94ae3a28594af46c6b6a062b0e8b5d704c3b7780b4ae0b722c6042ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-18T09:53:06Z",
    "title_canon_sha256": "1cd03571b108e32e656c73a6530fc5218c0989821d438742b070fb1a932a8f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06624",
    "kind": "arxiv",
    "version": 4
  }
}