Pith Number

pith:A7VT4DFK

pith:1995:A7VT4DFKYSGCKG57JSTEWHPWBF

not attested not anchored not stored refs pending

Quantum field theory in Lorentzian universes-from-nothing

Atsushi Higuchi, John L. Friedman

arxiv:gr-qc/9505035 v1 · 1995-05-19 · 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{A7VT4DFKYSGCKG57JSTEWHPWBF}

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	2026-05-18T04:17:52.666186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07eb3e0caac48c251bbf4ca64b1df60961aef11375f6b6559085d0a314a43434

Aliases

arxiv: gr-qc/9505035 · arxiv_version: gr-qc/9505035v1 · doi: 10.48550/arxiv.gr-qc/9505035 · pith_short_12: A7VT4DFKYSGC · pith_short_16: A7VT4DFKYSGCKG57 · pith_short_8: A7VT4DFK

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/A7VT4DFKYSGCKG57JSTEWHPWBF \
  | 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: 07eb3e0caac48c251bbf4ca64b1df60961aef11375f6b6559085d0a314a43434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c71613f2157d485aea7747ed12cedd46eb737dbc16725ea7a136758eb1a4b833",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-05-19T21:48:18Z",
    "title_canon_sha256": "17fe4fa2568d74d4981d8759133cbc938c55fa98ad39085ee830b2fd582d5a02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9505035",
    "kind": "arxiv",
    "version": 1
  }
}