Pith Number

pith:4JJPLLF2

pith:2018:4JJPLLF2L2AV5LNTPRJYVC4JPL

not attested not anchored not stored refs pending

Estimating Sky Level

Imran Hasan, Inchan Ji, J. Anthony Tyson, Samuel J. Schmidt

arxiv:1805.06711 v3 · 2018-05-17 · astro-ph.IM · 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{4JJPLLF2L2AV5LNTPRJYVC4JPL}

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	2026-05-18T00:09:59.172297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e252f5acba5e815eadb37c538a8b897ad08caa077fb8ce8e369f3a5d9fee9fc2

Aliases

arxiv: 1805.06711 · arxiv_version: 1805.06711v3 · doi: 10.48550/arxiv.1805.06711 · pith_short_12: 4JJPLLF2L2AV · pith_short_16: 4JJPLLF2L2AV5LNT · pith_short_8: 4JJPLLF2

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/4JJPLLF2L2AV5LNTPRJYVC4JPL \
  | 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: e252f5acba5e815eadb37c538a8b897ad08caa077fb8ce8e369f3a5d9fee9fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69c5d09843dea75bf588917f58a9d9716556a2b859bdff66b666463ff5a21e68",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-17T11:47:52Z",
    "title_canon_sha256": "03b0a074b6784b5e84f7a58a85cd9a97a55e822da37d6369f91df116b83effbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06711",
    "kind": "arxiv",
    "version": 3
  }
}