Pith Number

pith:EHXU7AZE

pith:2016:EHXU7AZEOC6TPVINFDYFJO5JQB

not attested not anchored not stored refs pending

A population of planetary systems characterized by short-period, Earth-sized planets

(2) SETI Institute, 3) ((1) University of Nevada, (3) NASA Ames Research Center), Astronomy, Department of Physics, Jason H. Steffen (1), Jeffrey L. Coughlin (2, Las Vegas

arxiv:1610.03550 v1 · 2016-10-11 · 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{EHXU7AZEOC6TPVINFDYFJO5JQB}

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	2026-05-18T00:59:56.990845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ef4f832470bd37d50d28f054bba9806ba45e3aac16038c34e339dc7f3f8c97

Aliases

arxiv: 1610.03550 · arxiv_version: 1610.03550v1 · doi: 10.48550/arxiv.1610.03550 · pith_short_12: EHXU7AZEOC6T · pith_short_16: EHXU7AZEOC6TPVIN · pith_short_8: EHXU7AZE

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/EHXU7AZEOC6TPVINFDYFJO5JQB \
  | 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: 21ef4f832470bd37d50d28f054bba9806ba45e3aac16038c34e339dc7f3f8c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb22a45efc2a03886437fdab4058a59430c6d80c145a36b064f8a6b1a491561d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-10-11T22:20:13Z",
    "title_canon_sha256": "928d5654e226a14761545fb71e7a29426a269491da30ce2f0b3f74aa3f4a8553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03550",
    "kind": "arxiv",
    "version": 1
  }
}