Pith Number

pith:SYMGF625

pith:2018:SYMGF625KIJXAHMVEM4LLJ4OWO

not attested not anchored not stored refs pending

Range-separated tensor representation of the discretized multidimensional Dirac delta and elliptic operator inverse

Boris N. Khoromskij

arxiv:1812.02684 v1 · 2018-12-06 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYMGF625KIJXAHMVEM4LLJ4OWO}

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	2026-05-17T23:58:55.194811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961862fb5d5213701d952338b5a78eb3bda84b8f5abf744558846af1ee2700db

Aliases

arxiv: 1812.02684 · arxiv_version: 1812.02684v1 · doi: 10.48550/arxiv.1812.02684 · pith_short_12: SYMGF625KIJX · pith_short_16: SYMGF625KIJXAHMV · pith_short_8: SYMGF625

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/SYMGF625KIJXAHMVEM4LLJ4OWO \
  | 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: 961862fb5d5213701d952338b5a78eb3bda84b8f5abf744558846af1ee2700db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb60a0074ceafd777ea4cbb7495b73c8238940686409595a7f94fb8f982baa00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-06T17:41:56Z",
    "title_canon_sha256": "7ca0c6b59d5e35adcaeae5debc0be5900464ea3de2d1a5ac3acfa8ebec3dbc27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02684",
    "kind": "arxiv",
    "version": 1
  }
}