Pith Number

pith:UB4HAA6B

pith:2019:UB4HAA6BMJFONEGEBM4ZOZ7ST6

not attested not anchored not stored refs pending

Fine properties of functions of bounded deformation -- an approach via linear PDEs

Filip Rindler, Guido De Philippis

arxiv:1911.01356 v2 · 2019-11-04 · 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{UB4HAA6BMJFONEGEBM4ZOZ7ST6}

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	2026-07-05T00:38:34.216029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0787003c1624ae690c40b399767f29fa47b2a019c318907bb61bb1550013d7b

Aliases

arxiv: 1911.01356 · arxiv_version: 1911.01356v2 · doi: 10.48550/arxiv.1911.01356 · pith_short_12: UB4HAA6BMJFO · pith_short_16: UB4HAA6BMJFONEGE · pith_short_8: UB4HAA6B

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/UB4HAA6BMJFONEGEBM4ZOZ7ST6 \
  | 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: a0787003c1624ae690c40b399767f29fa47b2a019c318907bb61bb1550013d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f23d46ffe24ca3c31b07178805694075fb3e1814829215d37624e0768afbe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-11-04T17:36:57Z",
    "title_canon_sha256": "4092c67bad6d9d752584c79f29b9b6ecf908125c36487d1a5b23859b10b8dfa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01356",
    "kind": "arxiv",
    "version": 2
  }
}