Pith Number

pith:J4YUN6RG

pith:2021:J4YUN6RGOCXNS4UB7IPKPC6HVR

not attested not anchored not stored refs pending

Occulter to Earth: Prospects for studying Earth-like planets with the E-ELT and a space-based occulter

Enric Palle, Lars Buchhave, Markus Janson, Oliver Krause, Ruben Asensio-Torres, Sascha P. Quanz, Thomas Henning

arxiv:2109.00870 v1 · 2021-09-02 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4YUN6RGOCXNS4UB7IPKPC6HVR}

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	2026-07-05T03:10:59.142581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f3146fa2670aed97281fa1ea78bc7ac4f89f1f4b026e087c703408d22d13a77

Aliases

arxiv: 2109.00870 · arxiv_version: 2109.00870v1 · doi: 10.48550/arxiv.2109.00870 · pith_short_12: J4YUN6RGOCXN · pith_short_16: J4YUN6RGOCXNS4UB · pith_short_8: J4YUN6RG

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/J4YUN6RGOCXNS4UB7IPKPC6HVR \
  | 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: 4f3146fa2670aed97281fa1ea78bc7ac4f89f1f4b026e087c703408d22d13a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d150d95c4cacb29e017bf0b2bd19e85b11ba90f15633c967b05c5fa0ffdd0585",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-02T12:33:36Z",
    "title_canon_sha256": "74636794a22fe4a7aca62744cd56d18b9d4b0568cf61e33ff649ac207d57e5af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00870",
    "kind": "arxiv",
    "version": 1
  }
}