Pith Number

pith:7EHUSATF

pith:2018:7EHUSATFDLOFGMIVY6A5AUWWLN

not attested not anchored not stored refs pending

On the evolutionary form of the constraints in electrodynamics

Istv\'an R\'acz

arxiv:1811.06873 v2 · 2018-11-12 · 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{7EHUSATFDLOFGMIVY6A5AUWWLN}

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	2026-05-17T23:57:30.845481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f90f4902651adc533115c781d052d65b4bf65e0715f847436a16d21c7bb21c2e

Aliases

arxiv: 1811.06873 · arxiv_version: 1811.06873v2 · doi: 10.48550/arxiv.1811.06873 · pith_short_12: 7EHUSATFDLOF · pith_short_16: 7EHUSATFDLOFGMIV · pith_short_8: 7EHUSATF

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/7EHUSATFDLOFGMIVY6A5AUWWLN \
  | 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: f90f4902651adc533115c781d052d65b4bf65e0715f847436a16d21c7bb21c2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b00c8c8146ce8178c924e3fe5988528278a94bf0e31d49fe19083aa4c63801",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-12T14:21:48Z",
    "title_canon_sha256": "ccfab47d8f3a0a4e0f9f1e214b3fd51ee90b84eada462f183ba766925c170f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06873",
    "kind": "arxiv",
    "version": 2
  }
}