Pith Number

pith:4XW5OQNG

pith:2019:4XW5OQNGPNCID7T7T4CHG2R2LO

not attested not anchored not stored refs pending

Direct measurement of stellar angular diameters by the VERITAS Cherenkov Telescopes

A. Brill, A. Furniss, A. J. Chromey, A. M. Joyce, A. Petrashyk, A. Wilhelm, C. Giuri, C. Rulten, D. A. Williams, D. Hanna, D. Kieda, D. Nieto, E. Pueschel, E. Roache, G. H. Gillanders, G. H. Sembroski, G. Hughes, G. Maier, G. T. Richards, I. Sadeh, I. Sushch, J. Halpern, J. Holder, J. P. Finley, J. Quinn, K. Ragan, K. Shahinyan, L. Fortson, M. J. Lang, M. K. Daniel, M. Kertzman, M. Krause, M. Nievas-Rosillo, M. Pohl, M. Santander, N. Kelley-Hoskins, N. Matthews, N. Park, O. Gueta, P. Kaaret, P. Kar, P. Moriarty, P. T. Reynolds, P. Wilcox, Q. Feng, R. A. Ong, R. Bird, R. Brose, R. Mukherjee, R. M. Wells, S. O'Brien, S. P. Wakely, T. B. Humensky, T. Hassan, T. J. Williamson, T. T. Y. Lin, W. Benbow

arxiv:1904.06324 v1 · 2019-04-12 · astro-ph.SR · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XW5OQNGPNCID7T7T4CHG2R2LO}

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	2026-05-17T23:48:43.582590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5edd741a67b4481fe7f9f04736a3a5bb1b543ed3b5d1b5e4adb8010b75bb9c8

Aliases

arxiv: 1904.06324 · arxiv_version: 1904.06324v1 · doi: 10.48550/arxiv.1904.06324 · pith_short_12: 4XW5OQNGPNCI · pith_short_16: 4XW5OQNGPNCID7T7 · pith_short_8: 4XW5OQNG

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/4XW5OQNGPNCID7T7T4CHG2R2LO \
  | 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: e5edd741a67b4481fe7f9f04736a3a5bb1b543ed3b5d1b5e4adb8010b75bb9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eed0e16872135d5c41898853103f5f1d2469ac33242f5fe541c7db3ef56b33d8",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-12T17:03:45Z",
    "title_canon_sha256": "8179aa12be0589c2398010a6c320ed40888559a7665a3b59ea1a2d6a08dce919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06324",
    "kind": "arxiv",
    "version": 1
  }
}