Pith Number

pith:W4VUZ7MX

pith:2013:W4VUZ7MXY5VTPOR6WAWINAWLGX

not attested not anchored not stored refs pending

Eddington inspired Born Infeld Theory: A new look to the matter-coupling paradigm

J. Steinhoff, T. Delsate

arxiv:1301.1233 v2 · 2013-01-07 · 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{W4VUZ7MXY5VTPOR6WAWINAWLGX}

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	2026-05-18T03:36:35.894588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72b4cfd97c76b37ba3eb02c8682cb35d5a8fda8f180122f75e4488fbe2b6b8e

Aliases

arxiv: 1301.1233 · arxiv_version: 1301.1233v2 · doi: 10.48550/arxiv.1301.1233 · pith_short_12: W4VUZ7MXY5VT · pith_short_16: W4VUZ7MXY5VTPOR6 · pith_short_8: W4VUZ7MX

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/W4VUZ7MXY5VTPOR6WAWINAWLGX \
  | 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: b72b4cfd97c76b37ba3eb02c8682cb35d5a8fda8f180122f75e4488fbe2b6b8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa701afd977e0793efe6fab6b87817905587d8f45824aa6973c3d039c8a002d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-07T15:45:17Z",
    "title_canon_sha256": "56846f58316b605142b840f3bcbfba9f1bd43ee6c576d46b26e341a61f417aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1233",
    "kind": "arxiv",
    "version": 2
  }
}