Pith Number

pith:RL7T6REX

pith:2013:RL7T6REXABZW7KXZCASLEYCZZL

not attested not anchored not stored refs pending

The Biconnection Variational Principle for General Relativity

Nicola Tamanini

arxiv:1304.0675 v1 · 2013-04-02 · 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{RL7T6REXABZW7KXZCASLEYCZZL}

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	2026-05-18T00:50:23.811033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aff3f449700736faaf91024b26059caf59b4bf21ba64f3ff8afaf1bc17e7642

Aliases

arxiv: 1304.0675 · arxiv_version: 1304.0675v1 · doi: 10.48550/arxiv.1304.0675 · pith_short_12: RL7T6REXABZW · pith_short_16: RL7T6REXABZW7KXZ · pith_short_8: RL7T6REX

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/RL7T6REXABZW7KXZCASLEYCZZL \
  | 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: 8aff3f449700736faaf91024b26059caf59b4bf21ba64f3ff8afaf1bc17e7642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6d96af498ce55e56404ffaf212fa8e8cdf02f3d2d338b798df571b09675537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-02T15:58:46Z",
    "title_canon_sha256": "a556ea7fd05aa5ff96875a3a5abfefcde8e9cb3c24f99b571cae02572860ce21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0675",
    "kind": "arxiv",
    "version": 1
  }
}