Pith Number

pith:KFTO4Q3T

pith:2018:KFTO4Q3TFJLF7G4QVORTGNIT4D

not attested not anchored not stored refs pending

A cylindrically symmetric, static anisotropic fluid spacetime and the naked singularity

Faizuddin Ahmed, Farook Rahaman

arxiv:1804.01006 v1 · 2018-04-02 · physics.gen-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{KFTO4Q3TFJLF7G4QVORTGNIT4D}

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	2026-05-18T00:18:25.023493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5166ee43732a565f9b90aba3333513e0cde1cd9736b71ec3644475deb1df72b7

Aliases

arxiv: 1804.01006 · arxiv_version: 1804.01006v1 · doi: 10.48550/arxiv.1804.01006 · pith_short_12: KFTO4Q3TFJLF · pith_short_16: KFTO4Q3TFJLF7G4Q · pith_short_8: KFTO4Q3T

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/KFTO4Q3TFJLF7G4QVORTGNIT4D \
  | 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: 5166ee43732a565f9b90aba3333513e0cde1cd9736b71ec3644475deb1df72b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f4cb26fcb466a92e7bbe5b8053d9931e44870bf98ccbcf1f51dcb73eac4a0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-04-02T08:56:03Z",
    "title_canon_sha256": "592aad6cc7e113cccbe12af35fdcac767a0a313c41e6720d15c0a8618abfe870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01006",
    "kind": "arxiv",
    "version": 1
  }
}