Pith Number

pith:OYPJHMGK

pith:2018:OYPJHMGKXWV5R5AZQ5GZDB3FKX

not attested not anchored not stored refs pending

Non-commutative inspired black holes in Euler-Heisenberg non-linear electrodynamics

Alfredo Mac\'ias, Marco Maceda

arxiv:1807.05269 v1 · 2018-07-13 · 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{OYPJHMGKXWV5R5AZQ5GZDB3FKX}

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	2026-05-17T23:59:08.006809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761e93b0cabdabd8f419874d91876555e280193e2930aab521cf969b369d2885

Aliases

arxiv: 1807.05269 · arxiv_version: 1807.05269v1 · doi: 10.48550/arxiv.1807.05269 · pith_short_12: OYPJHMGKXWV5 · pith_short_16: OYPJHMGKXWV5R5AZ · pith_short_8: OYPJHMGK

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/OYPJHMGKXWV5R5AZQ5GZDB3FKX \
  | 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: 761e93b0cabdabd8f419874d91876555e280193e2930aab521cf969b369d2885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d4b6f1ae4419c18849a0e2167c65e06330a9b51cac5982e22fccd3f5939cc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-13T20:01:21Z",
    "title_canon_sha256": "0b632f6fbbe45df5ba231db49ba14c5274ebfe25d4abef9be2e2cbe9425eba38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05269",
    "kind": "arxiv",
    "version": 1
  }
}