Pith Number

pith:RRUBRYLG

pith:2018:RRUBRYLGRZN67DMAQHZDV7VB3A

not attested not anchored not stored refs pending

Boundary regularity of mass-minimizing integral currents and a question of Almgren

Annalisa Massaccesi, Camillo De Lellis, Guido De Philippis, Jonas Hirsch

arxiv:1802.07496 v1 · 2018-02-21 · 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{RRUBRYLGRZN67DMAQHZDV7VB3A}

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	2026-05-18T00:22:50.109044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6818e1668e5bef8d8081f23afea1d80f821b65c169b5dd327bfd41bb4fd55a

Aliases

arxiv: 1802.07496 · arxiv_version: 1802.07496v1 · doi: 10.48550/arxiv.1802.07496 · pith_short_12: RRUBRYLGRZN6 · pith_short_16: RRUBRYLGRZN67DMA · pith_short_8: RRUBRYLG

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/RRUBRYLGRZN67DMAQHZDV7VB3A \
  | 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: 8c6818e1668e5bef8d8081f23afea1d80f821b65c169b5dd327bfd41bb4fd55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15d64ccf7950b0124191160c4af6b9be2f479e3cad912ff2f245df3a73541c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-21T10:21:22Z",
    "title_canon_sha256": "685c2f07b839244758341908025c8109719ee2fb53ad60f346830f8dafcc9138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07496",
    "kind": "arxiv",
    "version": 1
  }
}