Pith Number

pith:E3KBJ36E

pith:1995:E3KBJ36EV7E22LBW7KEFYHVQRL

not attested not anchored not stored refs pending

Linearized Einstein theory via null surfaces

Carlos N. Kozameh, Ezra T. Newman, Simonetta Frittelli

arxiv:gr-qc/9502026 v1 · 1995-02-10 · 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{E3KBJ36EV7E22LBW7KEFYHVQRL}

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	2026-05-18T01:06:45.026667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d414efc4afc9ad2c36fa885c1eb08ae9cf5ad569b8416fd8643703a5fa353f

Aliases

arxiv: gr-qc/9502026 · arxiv_version: gr-qc/9502026v1 · doi: 10.48550/arxiv.gr-qc/9502026 · pith_short_12: E3KBJ36EV7E2 · pith_short_16: E3KBJ36EV7E22LBW · pith_short_8: E3KBJ36E

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/E3KBJ36EV7E22LBW7KEFYHVQRL \
  | 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: 26d414efc4afc9ad2c36fa885c1eb08ae9cf5ad569b8416fd8643703a5fa353f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db762972959f21f9fc31d5ff9c25e4c63bb05cbb7af443cb045cd70a121e0e04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-02-10T09:25:26Z",
    "title_canon_sha256": "29e62c30df1326712b88c78d2a14124868ca78be0bc93c381cc20088b6e6d8cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9502026",
    "kind": "arxiv",
    "version": 1
  }
}