Pith Number

pith:W6PXL5CI

pith:2016:W6PXL5CITPS4W2ETYQXGEYVJ5M

not attested not anchored not stored refs pending

Exoplanet Atmospheres and Giant Ground-Based Telescopes

I.J.M. Crossfield

arxiv:1604.06458 v1 · 2016-04-21 · 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{W6PXL5CITPS4W2ETYQXGEYVJ5M}

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	2026-05-18T01:16:28.981386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b79f75f4489be5cb6893c42e6262a9eb018bb5938804fde7119d29e49a9c42e3

Aliases

arxiv: 1604.06458 · arxiv_version: 1604.06458v1 · doi: 10.48550/arxiv.1604.06458 · pith_short_12: W6PXL5CITPS4 · pith_short_16: W6PXL5CITPS4W2ET · pith_short_8: W6PXL5CI

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/W6PXL5CITPS4W2ETYQXGEYVJ5M \
  | 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: b79f75f4489be5cb6893c42e6262a9eb018bb5938804fde7119d29e49a9c42e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2a904ea641e91c455ea57685ae300759afef1fb8504c4480bbcefecfe122b9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-04-21T20:00:02Z",
    "title_canon_sha256": "4645fb512f099e0ca148e0383c6a675f100f7cbfe3fb3bb33f992c4b0e5d87bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06458",
    "kind": "arxiv",
    "version": 1
  }
}