Pith Number

pith:U4PHDXFJ

pith:2015:U4PHDXFJ7QNOR2YEJK7B76TM63

not attested not anchored not stored refs pending

Global Regularity for the 2+1 Dimensional Equivariant Einstein-Wave Map System

Jeremie Szeftel, Lars Andersson, Nishanth Gudapati

arxiv:1501.00616 v4 · 2015-01-04 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4PHDXFJ7QNOR2YEJK7B76TM63}

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	2026-05-18T00:38:14.028290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71e71dca9fc1ae8eb044abe1ffa6cf6e2f622ce5fd2b22df51d966a4497ecab

Aliases

arxiv: 1501.00616 · arxiv_version: 1501.00616v4 · doi: 10.48550/arxiv.1501.00616 · pith_short_12: U4PHDXFJ7QNO · pith_short_16: U4PHDXFJ7QNOR2YE · pith_short_8: U4PHDXFJ

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/U4PHDXFJ7QNOR2YEJK7B76TM63 \
  | 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: a71e71dca9fc1ae8eb044abe1ffa6cf6e2f622ce5fd2b22df51d966a4497ecab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff3206ae9eba0e7327a5e71250e50572e94fe07ff14a015d543a468f7746541",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-04T00:55:34Z",
    "title_canon_sha256": "d85b68719fc0b45fabcb768a44e1a385e31d10127448e6af451f758dff046a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00616",
    "kind": "arxiv",
    "version": 4
  }
}