Pith Number

pith:NJQXYFEI

pith:2020:NJQXYFEIOSQTUXJQX6S4IFQQ2A

not attested not anchored not stored refs pending

Near-ultraviolet Transmission Spectroscopy of HD 209458b: Evidence of Ionized Iron Beyond the Planetary Roche Lobe

A. G. Sreejith, Carole A. Haswell, Kevin France, Luca Fossati, Michael Salz, Mitchell E. Young, Patricio E. Cubillos, Tommi Koskinen

arxiv:2001.03126 v1 · 2020-01-09 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJQXYFEIOSQTUXJQX6S4IFQQ2A}

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	2026-07-05T00:43:45.426587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a617c148874a13a5d30bfa5c41610d00a80266acdcb8587f1b86c9f008fc001

Aliases

arxiv: 2001.03126 · arxiv_version: 2001.03126v1 · doi: 10.48550/arxiv.2001.03126 · pith_short_12: NJQXYFEIOSQT · pith_short_16: NJQXYFEIOSQTUXJQ · pith_short_8: NJQXYFEI

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/NJQXYFEIOSQTUXJQX6S4IFQQ2A \
  | 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: 6a617c148874a13a5d30bfa5c41610d00a80266acdcb8587f1b86c9f008fc001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1aa28feece127c54441b263387ca67fae6adf7515a1c9643f95d77364eebc37",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-01-09T17:37:31Z",
    "title_canon_sha256": "a7504796bf837ec671193e1a22b333d8e6f42c68c64cd6ce0be7aa3b8b318e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03126",
    "kind": "arxiv",
    "version": 1
  }
}