Pith Number

pith:NK2FXV6Q

pith:2019:NK2FXV6QLAD6MMF63LG5P4D4O2

not attested not anchored not stored refs pending

The Potential of Exozodiacal Disks Observations with the WFIRST Coronagraph Instrument

A. Bellini, A. Boccaletti, A. J. E. Riggs, A. L. Maire, A. Mandell, A. M. Lagrange, A. Vigan, B. Berriman, B. Mennesson, B. Nemati, C. Chen, C. Gelino, C. Stark, D. Bennett, D. Defrere, D. Rouan, E. Quintana, F. Zhao, G. Helou, J. Debes, J. Girard, J. Kalirai, J. Kasdin, J. Krist, J. Kruk, J. L. Baudino, J. Rhodes, J. Trauger, K. Carpenter, K. Stapelfeldt, L. Armus, L. Moustakas, L. Pueyo, M. Frerking, M. Langlois, M. McElwain, M. Postman, M. Rizzo, M. Turnbull, M. Wyatt, M. Ygouf, N. Zimmerman, O. Absil, P. Baudoz, P. Lowrance, P. Marshall, Q. Kral, R. Akeson, R. Millan-Gabet, R. Paladini, R. Soummer, R. van der Marel, S. Calchi-Novati, S. Ertel, S. Kane, S. Laine, S. Malhotra, S. Ramirez, T. Groff, T. Meshkat, V. Bailey, W. Danchi, Y. Hasegawa

arxiv:1909.02161 v1 · 2019-09-05 · 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{NK2FXV6QLAD6MMF63LG5P4D4O2}

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	2026-07-05T00:02:31.457045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab45bd7d05807e630bedacdd7f07c76a894f9525f594834ddafa1df88cf7ace

Aliases

arxiv: 1909.02161 · arxiv_version: 1909.02161v1 · doi: 10.48550/arxiv.1909.02161 · pith_short_12: NK2FXV6QLAD6 · pith_short_16: NK2FXV6QLAD6MMF6 · pith_short_8: NK2FXV6Q

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/NK2FXV6QLAD6MMF63LG5P4D4O2 \
  | 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: 6ab45bd7d05807e630bedacdd7f07c76a894f9525f594834ddafa1df88cf7ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c8bf93c1963906e2bb7e9583059ab081130f05ff35bb092e5d471bc7137885",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-05T00:20:40Z",
    "title_canon_sha256": "2e7c18bce50a3af59471ef5c816f0444436e5fce24ea2d27ad4d3cbe29041dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02161",
    "kind": "arxiv",
    "version": 1
  }
}