Pith Number

pith:DAY4VB3J

pith:2014:DAY4VB3JNQYMS553LITRQXEKAM

not attested not anchored not stored refs pending

Rigidity Conditions for the Boundaries of Submanifolds in a Riemannian Manifold

Anatoly P. Kopylov, Mikhail V. Korobkov

arxiv:1401.7295 v2 · 2014-01-28 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAY4VB3JNQYMS553LITRQXEKAM}

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	2026-05-18T02:41:18.706786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1831ca87696c30c977bb5a27185c8a033d5d458d7a93683800ffe9e5ea09f448

Aliases

arxiv: 1401.7295 · arxiv_version: 1401.7295v2 · doi: 10.48550/arxiv.1401.7295 · pith_short_12: DAY4VB3JNQYM · pith_short_16: DAY4VB3JNQYMS553 · pith_short_8: DAY4VB3J

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/DAY4VB3JNQYMS553LITRQXEKAM \
  | 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: 1831ca87696c30c977bb5a27185c8a033d5d458d7a93683800ffe9e5ea09f448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec192cfe92985ddd4df4b315e9f0d7937807b76be81181fcfeb9bb1494d8a572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-01-28T18:54:55Z",
    "title_canon_sha256": "8ce4eaf84e54d1cad225f7a44e28937fefdec3991c7382da62fb27c27501c5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7295",
    "kind": "arxiv",
    "version": 2
  }
}