Pith Number

pith:J7GWZUT2

pith:2019:J7GWZUT2LGFPT4EGE3MLMYZ4RV

not attested not anchored not stored refs pending

Can Planets Exist in the Habitable Zone of 55~Cancri?

Manfred Cuntz, Suman Satyal

arxiv:1902.09613 v1 · 2019-02-25 · 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{J7GWZUT2LGFPT4EGE3MLMYZ4RV}

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	2026-05-17T23:48:30.298798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fcd6cd27a598af9f08626d8b6633c8d44255951301ee6848ffe9cae3d52e3e1

Aliases

arxiv: 1902.09613 · arxiv_version: 1902.09613v1 · doi: 10.48550/arxiv.1902.09613 · pith_short_12: J7GWZUT2LGFP · pith_short_16: J7GWZUT2LGFPT4EG · pith_short_8: J7GWZUT2

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/J7GWZUT2LGFPT4EGE3MLMYZ4RV \
  | 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: 4fcd6cd27a598af9f08626d8b6633c8d44255951301ee6848ffe9cae3d52e3e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29cba501b9b275db3c67d052c5d8ce8661e08bf85f319f3529f204f9cb97aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-25T20:57:56Z",
    "title_canon_sha256": "920c20e79988bca665dceacfdcbda6c5195fd45fad169f791b7e1274cdcb7b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09613",
    "kind": "arxiv",
    "version": 1
  }
}