Pith Number

pith:ICQ67SFP

pith:2013:ICQ67SFP3BE4TNXFD4SRQ6GSQ6

not attested not anchored not stored refs pending

A universal boundary value problem for partial differential equations

I.V. Volovich, V.Zh. Sakbaev

arxiv:1312.4302 v1 · 2013-12-16 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICQ67SFP3BE4TNXFD4SRQ6GSQ6}

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	2026-05-18T03:04:34.962186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40a1efc8afd849c9b6e51f251878d287bfd3f580be99c48d4e275f567dd48377

Aliases

arxiv: 1312.4302 · arxiv_version: 1312.4302v1 · doi: 10.48550/arxiv.1312.4302 · pith_short_12: ICQ67SFP3BE4 · pith_short_16: ICQ67SFP3BE4TNXF · pith_short_8: ICQ67SFP

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/ICQ67SFP3BE4TNXFD4SRQ6GSQ6 \
  | 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: 40a1efc8afd849c9b6e51f251878d287bfd3f580be99c48d4e275f567dd48377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bd2032c96637cf929151940df0a62359938f82dd5366ad134ebb1039f139a74",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-16T10:49:12Z",
    "title_canon_sha256": "3bc03c6f36bfa7c7ee56054d93eee8652f1469e42e33a3aadf032d3ca8c5f455"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4302",
    "kind": "arxiv",
    "version": 1
  }
}