Pith Number

pith:5GFMIFNN

pith:2018:5GFMIFNN4IN3X3DPTO3FAVTZBL

not attested not anchored not stored refs pending

HESS J1943+213: An Extreme Blazar Shining Through The Galactic Plane

A. Falcone, A. Flinders, A. Furniss, A. N. Otte, A. Petrashyk, A. Popkow, A. Weinstein, A. Wilhelm, C. A. Johnson, C. Rulten, D. A. Williams, D. Hanna, D. Kieda, D. Nieto, E. Pueschel, E. Roache, F. Krennrich, G. H. Gillanders, G. H. Sembroski, G. Hughes, G. T. Richards, I. Sadeh, J. Holder, J. P. Finley, J. Quinn, J. Tyler, K. Ragan, K. Shahinyan, L. Fortson, M. Buchovecky, M. H\"utten, M. J. Lang, M. K. Daniel, M. Krause, M. Pohl, N. Kelley-Hoskins, N. Park, O. Hervet, O. M. Weiner, P. Kaaret, P. Kar, P. Moriarty, P. Pontrelli, P. T. Reynolds, P. Wilcox, Q. Feng, R. A. Ong, R. Bird, R. Brose, R. Mukherjee, R. M. Wells, S. Kumar, S. McArthur, S. O'Brien, S. P. Wakely, T. B. Humensky, The VERITAS Collaboration: A. Archer, T. T.Y. Lin, V. Bugaev, W. Benbow, W. Cui, W. F. Brisken

arxiv:1806.04144 v1 · 2018-06-11 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GFMIFNN4IN3X3DPTO3FAVTZBL}

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	2026-05-18T00:07:06.713549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e98ac415ade21bbbec6f9bb65056790ac15755abded146d08b49af197bcdd8b4

Aliases

arxiv: 1806.04144 · arxiv_version: 1806.04144v1 · doi: 10.48550/arxiv.1806.04144 · pith_short_12: 5GFMIFNN4IN3 · pith_short_16: 5GFMIFNN4IN3X3DP · pith_short_8: 5GFMIFNN

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/5GFMIFNN4IN3X3DPTO3FAVTZBL \
  | 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: e98ac415ade21bbbec6f9bb65056790ac15755abded146d08b49af197bcdd8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fc2b025336b075fff794166a9070352734e28fe6f076a23e04778d1d2917116",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-11T18:00:01Z",
    "title_canon_sha256": "e47efdf9d2bd6f44af29a176337b87386e97f80a7182b074d02bb5618f6e7c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04144",
    "kind": "arxiv",
    "version": 1
  }
}