Pith Number

pith:BKI2ZYHI

pith:2015:BKI2ZYHIHMSFK4Y5EDDY67XRAM

not attested not anchored not stored refs pending

Invariance of global solutions of the Hamilton-Jacobi equation

Ezequiel Maderna

arxiv:1502.06563 v1 · 2015-02-23 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKI2ZYHIHMSFK4Y5EDDY67XRAM}

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	2026-05-18T02:26:32.277890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a91ace0e83b2455731d20c78f7ef1031a2f111d287f6082f1de0697640bbedf

Aliases

arxiv: 1502.06563 · arxiv_version: 1502.06563v1 · doi: 10.48550/arxiv.1502.06563 · pith_short_12: BKI2ZYHIHMSF · pith_short_16: BKI2ZYHIHMSFK4Y5 · pith_short_8: BKI2ZYHI

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/BKI2ZYHIHMSFK4Y5EDDY67XRAM \
  | 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: 0a91ace0e83b2455731d20c78f7ef1031a2f111d287f6082f1de0697640bbedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515c8cd4db660d5c9742d4179e4f2b324855750613fbe09c1e714352c3e04a32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2015-02-23T19:24:56Z",
    "title_canon_sha256": "0cdabea4978495cbdb8a59b316cbfbf9460d9ee526cbebc078124b5797a1abf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06563",
    "kind": "arxiv",
    "version": 1
  }
}