Pith Number

pith:YIOM5GUQ

pith:2016:YIOM5GUQIJVPE66TJAYOYM626A

not attested not anchored not stored refs pending

Telling twins apart: Exo-Earths and Venuses with transit spectroscopy

Joanna K. Barstow, Leigh N. Fletcher, Patrick G. J. Irwin, Sarah Kendrew, Suzanne Aigrain

arxiv:1602.08277 v2 · 2016-02-26 · 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{YIOM5GUQIJVPE66TJAYOYM626A}

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	2026-05-18T01:19:18.224597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21cce9a90426af27bd34830ec33daf0194373501ff0dc636510e181016698a4

Aliases

arxiv: 1602.08277 · arxiv_version: 1602.08277v2 · doi: 10.48550/arxiv.1602.08277 · pith_short_12: YIOM5GUQIJVP · pith_short_16: YIOM5GUQIJVPE66T · pith_short_8: YIOM5GUQ

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/YIOM5GUQIJVPE66TJAYOYM626A \
  | 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: c21cce9a90426af27bd34830ec33daf0194373501ff0dc636510e181016698a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "644540512b62be3febca11592889d92870600953906f2f67ea975ba5e9a702e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-02-26T11:24:40Z",
    "title_canon_sha256": "79817c38cbcb83f474aa9f1d5a90c8b91c86c67d376f851aacb9d105ecbc6efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08277",
    "kind": "arxiv",
    "version": 2
  }
}