Pith Number

pith:L37BXVKK

pith:2019:L37BXVKKXIV3DV2FHTS5LYZAFS

not attested not anchored not stored refs pending

Is the electromagnetic field responsible for the cosmic acceleration in late times?

A. E. S. Hartmann, M. Novello

arxiv:1903.10351 v1 · 2019-03-22 · 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{L37BXVKKXIV3DV2FHTS5LYZAFS}

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	2026-05-17T23:42:20.392802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5efe1bd54aba2bb1d7453ce5d5e3202cab954c155d86d827a39c02a9a2e954a5

Aliases

arxiv: 1903.10351 · arxiv_version: 1903.10351v1 · doi: 10.48550/arxiv.1903.10351 · pith_short_12: L37BXVKKXIV3 · pith_short_16: L37BXVKKXIV3DV2F · pith_short_8: L37BXVKK

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/L37BXVKKXIV3DV2FHTS5LYZAFS \
  | 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: 5efe1bd54aba2bb1d7453ce5d5e3202cab954c155d86d827a39c02a9a2e954a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea32d88d4f755373c440dc8301c2c2d7ae93e19ad0bf333626255f4cb7677b44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-22T13:20:29Z",
    "title_canon_sha256": "38091f058a2446d46800e246cebb6270c0b00674a923d674031396727d59c3b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10351",
    "kind": "arxiv",
    "version": 1
  }
}