Pith Number

pith:WKNF4FRL

pith:2021:WKNF4FRL64RL5C7PO24IKLZL46

not attested not anchored not stored refs pending

The Hubble WFC3 Emission Spectrum of the Extremely-Hot Jupiter, KELT-9b

Billy Edwards, Quentin Changeat

arxiv:2101.00469 v2 · 2021-01-02 · 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{WKNF4FRL64RL5C7PO24IKLZL46}

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	2026-07-05T02:23:24.102879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29a5e162bf722be8bef76b8852f2be79f22af2af6be75b9ad04041d13ae7a38

Aliases

arxiv: 2101.00469 · arxiv_version: 2101.00469v2 · doi: 10.48550/arxiv.2101.00469 · pith_short_12: WKNF4FRL64RL · pith_short_16: WKNF4FRL64RL5C7P · pith_short_8: WKNF4FRL

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/WKNF4FRL64RL5C7PO24IKLZL46 \
  | 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: b29a5e162bf722be8bef76b8852f2be79f22af2af6be75b9ad04041d13ae7a38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07784da22d7c5a7797f883f2bba12aa0e13c26b55f8ca36354565a7c379a8930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-01-02T15:51:14Z",
    "title_canon_sha256": "fc7cec695edccd5f7698f3086453d1e2f649e428e5f593f75073cada098ef3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00469",
    "kind": "arxiv",
    "version": 2
  }
}