Pith Number

pith:XNFT2PVM

pith:1993:XNFT2PVMENA33HYORQHFVBAD2X

not attested not anchored not stored refs pending

Pull Back Invariant Matter Couplings

Donald Marolf

arxiv:gr-qc/9306007 v1 · 1993-06-03 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNFT2PVMENA33HYORQHFVBAD2X}

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	2026-07-04T17:25:35.029784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4b3d3eac2341bd9f0e8c0e5a8403d5d5751ca747d51b3e645686ce94d83142

Aliases

arxiv: gr-qc/9306007 · arxiv_version: gr-qc/9306007v1 · doi: 10.48550/arxiv.gr-qc/9306007 · pith_short_12: XNFT2PVMENA3 · pith_short_16: XNFT2PVMENA33HYO · pith_short_8: XNFT2PVM

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/XNFT2PVMENA33HYORQHFVBAD2X \
  | 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: bb4b3d3eac2341bd9f0e8c0e5a8403d5d5751ca747d51b3e645686ce94d83142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3fb4e7ddccbb8ed33b16958b531e54e1021d4b80a0ce34a6513c9b020e83ab5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-06-03T16:12:00Z",
    "title_canon_sha256": "5bec032cc9a13fc9db3ea87553b143b5a00c3e41a8bde2d5b58e6544f0e80d32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9306007",
    "kind": "arxiv",
    "version": 1
  }
}