Pith Number

pith:3FDQXGGC

pith:2016:3FDQXGGC6UVB4VOIRI6UQYIATJ

not attested not anchored not stored refs pending

Generalised hyperbolicity in spacetimes with string-like singularities

James A. Vickers, Yafet Sanchez Sanchez

arxiv:1602.03584 v2 · 2016-02-11 · gr-qc · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FDQXGGC6UVB4VOIRI6UQYIATJ}

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	2026-05-18T01:03:19.755457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9470b98c2f52a1e55c88a3d4861009a5d0de522cbfbc4231f775e6a5005f447

Aliases

arxiv: 1602.03584 · arxiv_version: 1602.03584v2 · doi: 10.48550/arxiv.1602.03584 · pith_short_12: 3FDQXGGC6UVB · pith_short_16: 3FDQXGGC6UVB4VOI · pith_short_8: 3FDQXGGC

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/3FDQXGGC6UVB4VOIRI6UQYIATJ \
  | 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: d9470b98c2f52a1e55c88a3d4861009a5d0de522cbfbc4231f775e6a5005f447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aaa14147f061b967e627ba5d611acf4793ba99858c5fb6b3c8248f879698a52",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-11T00:37:50Z",
    "title_canon_sha256": "0c4a1966cb91e09ebfc1da1082fda5e62d0b527227681fcde638174e16d46d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03584",
    "kind": "arxiv",
    "version": 2
  }
}