pith. sign in
Pith Number

pith:HUE3AAXM

pith:2000:HUE3AAXMGIGBAS4FMBZQPUP6G6
not attested not anchored not stored refs pending

The static cylinder, gyroscopes, the C metric, and all that

J. Ruifernandez, L. Herrera, N.O.Santos

arxiv:gr-qc/0010017 v1 · 2000-10-05 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HUE3AAXMGIGBAS4FMBZQPUP6G6}

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 2026-05-18T01:39:24.616599Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3d09b002ec320c104b85607307d1fe37931fddf67b5d92122be0bfdbb0a91ed1

Aliases

arxiv: gr-qc/0010017 · arxiv_version: gr-qc/0010017v1 · doi: 10.48550/arxiv.gr-qc/0010017 · pith_short_12: HUE3AAXMGIGB · pith_short_16: HUE3AAXMGIGBAS4F · pith_short_8: HUE3AAXM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HUE3AAXMGIGBAS4FMBZQPUP6G6 \
  | 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: 3d09b002ec320c104b85607307d1fe37931fddf67b5d92122be0bfdbb0a91ed1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e474d12c93eeec1be869297624e22fb2b5ab7cda692737d0ac4fffa611497af2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-10-05T10:22:00Z",
    "title_canon_sha256": "7e20574fe354a66177c65e293f97c9cdd10c268a22ab40b8fe7129bf2cc9f756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0010017",
    "kind": "arxiv",
    "version": 1
  }
}