Pith Number

pith:KCGFVESV

pith:2019:KCGFVESV7ESJAUP3XXEQJWESNQ

not attested not anchored not stored refs pending

ESA Voyage 2050 white paper -- GrailQuest: hunting for Atoms of Space and Time hidden in the wrinkle of Space-Time

A. F. Gambino, A. Papitto, A. Riggio, A. Sanna, A. Santangelo, B. Negri, C. Labanti, C. Rovelli, D. Kataria, E. Coccia, E. Costa, F. Fiore, F. Frontera, F. Vidotto, G. Amelino-Camelia, G. Ghisellini, G. Lodato, H. Falcke, K. Hurley, L. Amati, L. Burderi, M. Branchesi, M. Colpi, M. De Laurentis, M. Della Valle, M. Feroci, N. d'Amico, P. De Bernardis, R. Iaria, S. Capozziello, S. Zane, T. Di Salvo, T. Piran

arxiv:1911.02154 v2 · 2019-11-06 · astro-ph.IM · astro-ph.HE · gr-qc · hep-ex · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCGFVESV7ESJAUP3XXEQJWESNQ}

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	2026-07-05T01:30:39.069543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

508c5a9255f9249051fbbdc904d8926c1f64826730f50067cb46e3f8032df139

Aliases

arxiv: 1911.02154 · arxiv_version: 1911.02154v2 · doi: 10.48550/arxiv.1911.02154 · pith_short_12: KCGFVESV7ESJ · pith_short_16: KCGFVESV7ESJAUP3 · pith_short_8: KCGFVESV

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/KCGFVESV7ESJAUP3XXEQJWESNQ \
  | 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: 508c5a9255f9249051fbbdc904d8926c1f64826730f50067cb46e3f8032df139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8082f879a85daba767dc84e6fe5ae6ffd258914122b33a6e547f4efd6e2b6204",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc",
      "hep-ex",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-06T00:45:41Z",
    "title_canon_sha256": "ab6bfb006848e1a415b67df951f7fa59f8ce1bb2e22de77f6c61b2cbb7f2eb1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02154",
    "kind": "arxiv",
    "version": 2
  }
}