Pith Number

pith:N7BGHFLF

pith:2018:N7BGHFLFDO3GMCZBO7TJ7AFC4L

not attested not anchored not stored refs pending

Sudden Future Singularities and their observational signatures in Modified Gravity

Andreas Lymperis

arxiv:1803.02554 v1 · 2018-03-07 · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7BGHFLFDO3GMCZBO7TJ7AFC4L}

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	2026-05-17T23:58:56.119852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc26395651bb6660b2177e69f80a2e2c3d199f9c23f8389a5b38756e1b1062b

Aliases

arxiv: 1803.02554 · arxiv_version: 1803.02554v1 · doi: 10.48550/arxiv.1803.02554 · pith_short_12: N7BGHFLFDO3G · pith_short_16: N7BGHFLFDO3GMCZB · pith_short_8: N7BGHFLF

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/N7BGHFLFDO3GMCZBO7TJ7AFC4L \
  | 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: 6fc26395651bb6660b2177e69f80a2e2c3d199f9c23f8389a5b38756e1b1062b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57dff99c56a786f530d7042d97d2fbc8629a436629c045d92326e68a9ee46e98",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-07T07:40:44Z",
    "title_canon_sha256": "86a2d309c0abb4ac41b4ce890034ca26eeaa2bcd6bf4024e914bd0c163c08d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02554",
    "kind": "arxiv",
    "version": 1
  }
}