Pith Number

pith:N7F3YICJ

pith:2017:N7F3YICJRFBIOHAZDTFWCPOKTX

not attested not anchored not stored refs pending

On the second boundary value problem for Monge-Ampere type equations and geometric optics

Feida Jiang, Neil S. Trudinger

arxiv:1707.01190 v2 · 2017-07-05 · 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{N7F3YICJRFBIOHAZDTFWCPOKTX}

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	2026-05-18T00:23:45.585448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fcbbc20498942871c191ccb613dca9dfd5d97e913901b9b2d53ae46e86b0780

Aliases

arxiv: 1707.01190 · arxiv_version: 1707.01190v2 · doi: 10.48550/arxiv.1707.01190 · pith_short_12: N7F3YICJRFBI · pith_short_16: N7F3YICJRFBIOHAZ · pith_short_8: N7F3YICJ

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/N7F3YICJRFBIOHAZDTFWCPOKTX \
  | 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: 6fcbbc20498942871c191ccb613dca9dfd5d97e913901b9b2d53ae46e86b0780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd90d3aa2d5bcf350da93143ee786c3908ab8acb17fbf28db8d49381cf258713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-05T00:29:51Z",
    "title_canon_sha256": "b0dedbfa59a91ce1655a7d5918fe7393c9c9705710e4a1947bfa12dc34d1fd6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01190",
    "kind": "arxiv",
    "version": 2
  }
}