Pith Number

pith:3A4ISYMX

pith:2016:3A4ISYMX44TCSUSQ35ZMACMJKH

not attested not anchored not stored refs pending

Search for an exosphere in sodium and calcium in the transmission spectrum of exoplanet 55 Cancri e

A. R. Ridden-Harper, B. L. A. Vermeersen, C. U. Keller, E. Di Gloria, H. J. Hoeijmakers, I. A. G. Snellen, M. Brogi, M. Fridlund, R. J. de Kok, W. van Westrenen

arxiv:1606.08447 v3 · 2016-06-27 · 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{3A4ISYMX44TCSUSQ35ZMACMJKH}

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	2026-05-18T01:03:18.355005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d838896197e726295250df72c0098951c0341bf8bcadd8784e1d9b2e21a04881

Aliases

arxiv: 1606.08447 · arxiv_version: 1606.08447v3 · doi: 10.48550/arxiv.1606.08447 · pith_short_12: 3A4ISYMX44TC · pith_short_16: 3A4ISYMX44TCSUSQ · pith_short_8: 3A4ISYMX

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/3A4ISYMX44TCSUSQ35ZMACMJKH \
  | 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: d838896197e726295250df72c0098951c0341bf8bcadd8784e1d9b2e21a04881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd821eb258eb9164a06400b5579517c1e4bf735f343262e7f5d543ead6e3b419",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-06-27T20:00:04Z",
    "title_canon_sha256": "a19443395e0c576f180c836d8653badfb6fa3f668ac9b34c8f13d2390217003e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08447",
    "kind": "arxiv",
    "version": 3
  }
}