Pith Number

pith:ZPQAKB5V

pith:2014:ZPQAKB5VP7I2PAL5S7NANWSVB7

not attested not anchored not stored refs pending

Covariant jump conditions in electromagnetism

Yakov Itin

arxiv:1403.7700 v1 · 2014-03-30 · gr-qc · hep-th · math-ph · 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{ZPQAKB5VP7I2PAL5S7NANWSVB7}

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	2026-05-18T02:55:12.626658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe00507b57fd1a7817d97da06da550ff7d8b11ee841febd8fb707ffafe727c2

Aliases

arxiv: 1403.7700 · arxiv_version: 1403.7700v1 · doi: 10.48550/arxiv.1403.7700 · pith_short_12: ZPQAKB5VP7I2 · pith_short_16: ZPQAKB5VP7I2PAL5 · pith_short_8: ZPQAKB5V

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/ZPQAKB5VP7I2PAL5S7NANWSVB7 \
  | 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: cbe00507b57fd1a7817d97da06da550ff7d8b11ee841febd8fb707ffafe727c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a419437c1e66a5f1851e822fda0a261961d2d47711142be0d5a31585bdcfaae1",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-30T04:18:53Z",
    "title_canon_sha256": "3264d0e0a66e215380f6ca2fc3d19b7847f2d6e058bdf77d87d40ae5940b8c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7700",
    "kind": "arxiv",
    "version": 1
  }
}