Pith Number

pith:6EFCQNM3

pith:2018:6EFCQNM3QJUHC2LEL3SXIMHDZI

not attested not anchored not stored refs pending

exocartographer: A Bayesian Framework for Mapping Exoplanets in Reflected Light

Ben Farr, Hal M. Haggard, Nicolas B. Cowan, Tyler Robinson, Will M. Farr

arxiv:1802.06805 v1 · 2018-02-19 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EFCQNM3QJUHC2LEL3SXIMHDZI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:05:31.982344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f10a28359b82687169645ee57430e3ca3887a2a351592b71148f737ed5933679

Aliases

arxiv: 1802.06805 · arxiv_version: 1802.06805v1 · doi: 10.48550/arxiv.1802.06805 · pith_short_12: 6EFCQNM3QJUH · pith_short_16: 6EFCQNM3QJUHC2LE · pith_short_8: 6EFCQNM3

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/6EFCQNM3QJUHC2LEL3SXIMHDZI \
  | 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: f10a28359b82687169645ee57430e3ca3887a2a351592b71148f737ed5933679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66615b95f302d6493b1ec1f1cc47818fba74532c5b81859d1f705d6a4a00aee3",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-19T19:00:43Z",
    "title_canon_sha256": "7ef06e7cf5d6c799f115f5deb677baf1d0e15fcbd07d02b3a3f5580c451d8046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06805",
    "kind": "arxiv",
    "version": 1
  }
}