Pith Number

pith:GAMV7PJ7

pith:2019:GAMV7PJ76KUJUVFRMNSRM6S55W

not attested not anchored not stored refs pending

A Suitable Conjugacy for the l0 Pseudonorm

Jean-Philippe Chancelier (CERMICS), Michel de Lara (CERMICS), Ponts Paristech

arxiv:1902.04816 v1 · 2019-02-13 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAMV7PJ76KUJUVFRMNSRM6S55W}

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	2026-05-17T23:54:05.836668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30195fbd3ff2a89a54b16365167a5ded8a0c96ae974bed56b68a6d6b6693ba84

Aliases

arxiv: 1902.04816 · arxiv_version: 1902.04816v1 · doi: 10.48550/arxiv.1902.04816 · pith_short_12: GAMV7PJ76KUJ · pith_short_16: GAMV7PJ76KUJUVFR · pith_short_8: GAMV7PJ7

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/GAMV7PJ76KUJUVFRMNSRM6S55W \
  | 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: 30195fbd3ff2a89a54b16365167a5ded8a0c96ae974bed56b68a6d6b6693ba84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6089d022e695f5a09987c2728e4c539980726e31cb18512ff09ffd3c05534c99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-13T09:50:06Z",
    "title_canon_sha256": "a6d71f8c638b489a66bafa52f2d22ca68677f671f2aea40b1fde5e7248f7b461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04816",
    "kind": "arxiv",
    "version": 1
  }
}