Pith Number

pith:ZCOPKM3N

pith:2020:ZCOPKM3NLUM34RCYTBKMVJDRJH

not attested not anchored not stored refs pending

A review of possible planetary atmospheres in the TRAPPIST-1 system

Brice-Olivier Demory, Emeline Bolmont, Eric T. Wolf, James Owen, J\'er\'emy leconte, Martin Turbet, Vincent Bourrier

arxiv:2007.03334 v1 · 2020-07-07 · astro-ph.EP · astro-ph.IM · astro-ph.SR · physics.ao-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCOPKM3NLUM34RCYTBKMVJDRJH}

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	2026-07-05T01:24:38.836273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c89cf5336d5d19be44589854caa47149f6a569eff60d36c6846c21801395c8a7

Aliases

arxiv: 2007.03334 · arxiv_version: 2007.03334v1 · doi: 10.48550/arxiv.2007.03334 · pith_short_12: ZCOPKM3NLUM3 · pith_short_16: ZCOPKM3NLUM34RCY · pith_short_8: ZCOPKM3N

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/ZCOPKM3NLUM34RCYTBKMVJDRJH \
  | 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: c89cf5336d5d19be44589854caa47149f6a569eff60d36c6846c21801395c8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "229637ed89462ce33f299a8783f8e21fd79f9a9a0ab2e358f17ace762e675213",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "physics.ao-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-07-07T10:45:49Z",
    "title_canon_sha256": "e3bf266dd7b4888510d5d4c744f1a51bf0ec4f216748ec0ff33bb77543337935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03334",
    "kind": "arxiv",
    "version": 1
  }
}