Pith Number

pith:2G54W7NV

pith:2017:2G54W7NVEEHENGPG54WQTA3KFO

not attested not anchored not stored refs pending

Discovery of very-high-energy emission from RGB J2243+203 and derivation of its redshift upper limit

A. Archer, A. Falcone, A. Furniss, A. N. Otte, A. Petrashyk, A. Popkow, A. U. Abeysekara, A. Weinstein, A. Wilhelm, B. Zitzer, C. A. Johnson, C. Rulten, D. A. Williams, D. Hanna, D. Kieda, D. Nieto, D. Staszak, E. Puesche, E. Roache, F. Krennrich, G. H. Gillanders, G. H. Sembroski, G. Maier, G. T. Richards, H. Fleischhack, I. Sadeh, I. Telezhinsky, J. Grube, J. H. Buckley, J. Holder, J. P. Finley, J. Quinn, J. Tyler, K. Ragan, K. Shahinyan, L. Fortson, M. Buchovecky, M. Cerruti, M. Hutten, M. J. Lang, M. Kertzman, M. Krause, M. P. Connolly, M. Poh, M. Santander, N. Kelley-Hoskins, N. Park, O. Hervet, O. M. Weiner, P. Kaaret, P. Kar, P. Moriarty, P. T. Reynolds, P. Wilcox, Q. Feng, R. A. Ong, R. Bird, R. Brose, R. Mukherjee, S. Archambault, S. Griffin, S. Kumar, S. McArthur, S. OBrien, S. P. Wakely, T. B. Humensky, V. Bugaev, V. V. Vassiliev, W. Benbow, W. Cui

arxiv:1709.05403 v1 · 2017-09-15 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G54W7NVEEHENGPG54WQTA3KFO}

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	2026-05-18T00:30:41.357457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1bbcb7db5210e4699e6ef2d09836a2b838ee7cb34575990b07017e844fd92ca

Aliases

arxiv: 1709.05403 · arxiv_version: 1709.05403v1 · doi: 10.48550/arxiv.1709.05403 · pith_short_12: 2G54W7NVEEHE · pith_short_16: 2G54W7NVEEHENGPG · pith_short_8: 2G54W7NV

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/2G54W7NVEEHENGPG54WQTA3KFO \
  | 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: d1bbcb7db5210e4699e6ef2d09836a2b838ee7cb34575990b07017e844fd92ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61497781e7d54ee603bac008ab335fb9c3403d293ffae301459d1039b37b1b1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-15T20:58:10Z",
    "title_canon_sha256": "99a58c177ce682b8ef21e2fbda454243df8349d8e6b6df0e72ed2875129e1ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05403",
    "kind": "arxiv",
    "version": 1
  }
}