Pith Number

pith:MTIAXYW6

pith:2016:MTIAXYW6JMQG6FYNOWBDEJUTP5

not attested not anchored not stored refs pending

On a calculus of variations problem

Aleksandr V. Ivanov, Mikhail I. Belishev

arxiv:1603.05874 v1 · 2016-03-18 · 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{MTIAXYW6JMQG6FYNOWBDEJUTP5}

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	2026-05-18T01:18:53.395468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d00be2de4b206f170d75823226937f570cdd3dc7849beb63f37cecbeaab86b

Aliases

arxiv: 1603.05874 · arxiv_version: 1603.05874v1 · doi: 10.48550/arxiv.1603.05874 · pith_short_12: MTIAXYW6JMQG · pith_short_16: MTIAXYW6JMQG6FYN · pith_short_8: MTIAXYW6

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/MTIAXYW6JMQG6FYNOWBDEJUTP5 \
  | 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: 64d00be2de4b206f170d75823226937f570cdd3dc7849beb63f37cecbeaab86b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48941f7ab37ae6e0dff1f12708108ee9acbb1c0f81495be778f5693f613ae3b1",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-18T13:53:11Z",
    "title_canon_sha256": "efbba5bedbd7262fa3d5b6c0936af7efed5cf98d554effb5da386ba717f7bf48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05874",
    "kind": "arxiv",
    "version": 1
  }
}