Pith Number

pith:XTCRWP6R

pith:2017:XTCRWP6RB7LPPPWGAJMEKHQQ4Z

not attested not anchored not stored refs pending

On the structure of measures constrained by linear PDEs

Filip Rindler, Guido De Philippis

arxiv:1712.08897 v1 · 2017-12-24 · math.AP · math.FA · 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{XTCRWP6RB7LPPPWGAJMEKHQQ4Z}

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	2026-05-18T00:27:14.878053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcc51b3fd10fd6f7bec60258451e10e67af5462a2daf6a4fe4abfb4e708ead2e

Aliases

arxiv: 1712.08897 · arxiv_version: 1712.08897v1 · doi: 10.48550/arxiv.1712.08897 · pith_short_12: XTCRWP6RB7LP · pith_short_16: XTCRWP6RB7LPPPWG · pith_short_8: XTCRWP6R

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/XTCRWP6RB7LPPPWGAJMEKHQQ4Z \
  | 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: bcc51b3fd10fd6f7bec60258451e10e67af5462a2daf6a4fe4abfb4e708ead2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc3fab0fec5c7246991c1e96e12191e8c4a072cf1babc81707ac71ea26766a4",
    "cross_cats_sorted": [
      "math.FA",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-24T09:30:12Z",
    "title_canon_sha256": "ce2ba18a9f0e4b724fc6b45df16b1ca19ce023e6399ccb2f84eb23c1653ffc34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08897",
    "kind": "arxiv",
    "version": 1
  }
}