pith. sign in
Pith Number

pith:RYQZBWSO

pith:2012:RYQZBWSODEDZTGAVCW52LCZCRT
not attested not anchored not stored refs pending

Practically linear analogs of the Born-Infeld and other nonlinear theories

Mordehai Milgrom (Weizmann Institute)

arxiv:1204.2683 v2 · 2012-04-12 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RYQZBWSODEDZTGAVCW52LCZCRT}

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 2026-05-18T03:54:04.008978Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e2190da4e190799981515bba58b228cde0165b5e96f97da2d19e1d16dd7a7e5

Aliases

arxiv: 1204.2683 · arxiv_version: 1204.2683v2 · doi: 10.48550/arxiv.1204.2683 · pith_short_12: RYQZBWSODEDZ · pith_short_16: RYQZBWSODEDZTGAV · pith_short_8: RYQZBWSO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RYQZBWSODEDZTGAVCW52LCZCRT \
  | 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: 8e2190da4e190799981515bba58b228cde0165b5e96f97da2d19e1d16dd7a7e5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f794944ee9fe6a309e3ff36d2b535aafcc2db01e9ad2331fed132442ffa69720",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-12T10:55:56Z",
    "title_canon_sha256": "78e79a19f1d15a68794550ccf8a2bd591bee310eb211703093b9c390ab6f5153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2683",
    "kind": "arxiv",
    "version": 2
  }
}