Pith Number

pith:EKKEKF6M

pith:2019:EKKEKF6MV3QN2XAFI46RETHFUZ

not attested not anchored not stored refs pending

A physically-consistent, flexible and efficient strategy to convert local boundary conditions into nonlocal volume constraints

Marta D'Elia, Xiaochuan Tian, Yue Yu

arxiv:1906.04259 v1 · 2019-06-10 · 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{EKKEKF6MV3QN2XAFI46RETHFUZ}

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	2026-05-17T23:43:39.778848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22944517ccaee0dd5c05473d124ce5a6419d571057269dfc25fb6300128d3df0

Aliases

arxiv: 1906.04259 · arxiv_version: 1906.04259v1 · doi: 10.48550/arxiv.1906.04259 · pith_short_12: EKKEKF6MV3QN · pith_short_16: EKKEKF6MV3QN2XAF · pith_short_8: EKKEKF6M

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/EKKEKF6MV3QN2XAFI46RETHFUZ \
  | 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: 22944517ccaee0dd5c05473d124ce5a6419d571057269dfc25fb6300128d3df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3780b676599442082ce2d3f3b09991c718b7459e8a287b435b768fc6b801b1dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-10T20:09:01Z",
    "title_canon_sha256": "ba4dc3f2c4e6e41710df736a0ed339954633653d50407629c410be401e8deb53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04259",
    "kind": "arxiv",
    "version": 1
  }
}