Pith Number

pith:6NMS5OTH

pith:2015:6NMS5OTH2S3LXNXO4WG5WY6LYF

not attested not anchored not stored refs pending

Melvin Universe in Born-Infeld gravity

Cosimo Bambi, D. Rubiera-Garcia, Gonzalo J. Olmo

arxiv:1504.01827 v1 · 2015-04-08 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NMS5OTH2S3LXNXO4WG5WY6LYF}

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	2026-05-18T01:36:06.890403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3592eba67d4b6bbb6eee58ddb63cbc16be1732d6c057550ce787047643dc212

Aliases

arxiv: 1504.01827 · arxiv_version: 1504.01827v1 · doi: 10.48550/arxiv.1504.01827 · pith_short_12: 6NMS5OTH2S3L · pith_short_16: 6NMS5OTH2S3LXNXO · pith_short_8: 6NMS5OTH

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/6NMS5OTH2S3LXNXO4WG5WY6LYF \
  | 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: f3592eba67d4b6bbb6eee58ddb63cbc16be1732d6c057550ce787047643dc212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c47a2f06dc5c4280ba63e05a8ffcd97ae903fee72266c815ae0e2cff95464f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-08T04:31:44Z",
    "title_canon_sha256": "2ce89216cb6921bf9ed8e72bac72bf0c223d162c93599643316382f3bddf9d80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01827",
    "kind": "arxiv",
    "version": 1
  }
}