Pith Number

pith:JMMXU5QI

pith:2012:JMMXU5QIL2ZZFNGFECZZO4TR5T

not attested not anchored not stored refs pending

Energy and electromagnetism of a differential form

J. B. Sancho, J. Navarro

arxiv:1201.3504 v3 · 2012-01-17 · gr-qc · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMMXU5QIL2ZZFNGFECZZO4TR5T}

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	2026-05-18T03:42:44.613427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b197a76085eb392b4c520b3977271ecd01ddf993edfc3895bd41bea7d1bd30d

Aliases

arxiv: 1201.3504 · arxiv_version: 1201.3504v3 · doi: 10.48550/arxiv.1201.3504 · pith_short_12: JMMXU5QIL2ZZ · pith_short_16: JMMXU5QIL2ZZFNGF · pith_short_8: JMMXU5QI

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/JMMXU5QIL2ZZFNGFECZZO4TR5T \
  | 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: 4b197a76085eb392b4c520b3977271ecd01ddf993edfc3895bd41bea7d1bd30d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1454211837dffa3e6c728eeae16d3f3fe94dd0e50929b70e37688ae436e093",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-17T13:00:35Z",
    "title_canon_sha256": "e45b4d46c39d0bc54810a7ddc2ac8cabfa81a07a3b2228558d5b8ca1ae9c36e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3504",
    "kind": "arxiv",
    "version": 3
  }
}