pith. sign in
Pith Number

pith:FJA2O2LI

pith:1998:FJA2O2LI6GQEUVQX3SCHLLOK33
not attested not anchored not stored refs pending

Gravitational and Anti-gravitational Applications

Inc), Roger Ellman (The-Origin Foundation

arxiv:gr-qc/9809072 v5 · 1998-09-26 · gr-qc · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FJA2O2LI6GQEUVQX3SCHLLOK33}

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 2026-05-18T03:21:21.847283Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2a41a76968f1a04a5617dc8475adcadecce204bb4ca423976a0742dbd2df6d20

Aliases

arxiv: gr-qc/9809072 · arxiv_version: gr-qc/9809072v5 · doi: 10.48550/arxiv.gr-qc/9809072 · pith_short_12: FJA2O2LI6GQE · pith_short_16: FJA2O2LI6GQEUVQX · pith_short_8: FJA2O2LI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FJA2O2LI6GQEUVQX3SCHLLOK33 \
  | 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: 2a41a76968f1a04a5617dc8475adcadecce204bb4ca423976a0742dbd2df6d20
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ccf285c5c5e306988419c5d23edb206ef477689f8e9826bf1ca607f3f158bfe1",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-09-26T16:25:55Z",
    "title_canon_sha256": "5bdeeea8337a5085d51cd0307298bda29ec36bb0b8f59b16703c360aa5ba66b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9809072",
    "kind": "arxiv",
    "version": 5
  }
}