Pith Number

pith:PRFBBTAT

pith:2015:PRFBBTATAIVLYCML7Q2MFWXSEW

not attested not anchored not stored refs pending

How to Directly Image a Habitable Planet Around Alpha Centauri with a ~30-45cm Space Telescope

Eduardo Bendek, Jared Males, Julien Lozi, Ruslan Belikov, Sandrine Thomas

arxiv:1510.02479 v1 · 2015-10-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRFBBTATAIVLYCML7Q2MFWXSEW}

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	2026-05-18T01:22:35.536258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c4a10cc13022abc098bfc34c2daf225979b1d6719713b28bb48e86706d135be

Aliases

arxiv: 1510.02479 · arxiv_version: 1510.02479v1 · doi: 10.48550/arxiv.1510.02479 · pith_short_12: PRFBBTATAIVL · pith_short_16: PRFBBTATAIVLYCML · pith_short_8: PRFBBTAT

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/PRFBBTATAIVLYCML7Q2MFWXSEW \
  | 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: 7c4a10cc13022abc098bfc34c2daf225979b1d6719713b28bb48e86706d135be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5a0fb5dccfd7ff5c2ee561626261dcac543f33a4d57aa5cb681cab54a961d2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-10-08T20:04:52Z",
    "title_canon_sha256": "2edd4d83b215854d32df4930907ef2c0577a677678d1ba5ac0e555eaa7297e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02479",
    "kind": "arxiv",
    "version": 1
  }
}