Pith Number

pith:XVMDFAUG

pith:2012:XVMDFAUG456NGR5UKNM74SFZIT

not attested not anchored not stored refs pending

Projection stabilisation of Lagrange multipliers for the imposition of constraints on interfaces and boundaries

Erik Burman

arxiv:1203.4116 v2 · 2012-03-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVMDFAUG456NGR5UKNM74SFZIT}

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	2026-05-18T03:16:59.077323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd58328286e77cd347b45359fe48b944dca3213173ff7653a5bd019c3a99dcdb

Aliases

arxiv: 1203.4116 · arxiv_version: 1203.4116v2 · doi: 10.48550/arxiv.1203.4116 · pith_short_12: XVMDFAUG456N · pith_short_16: XVMDFAUG456NGR5U · pith_short_8: XVMDFAUG

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/XVMDFAUG456NGR5UKNM74SFZIT \
  | 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: bd58328286e77cd347b45359fe48b944dca3213173ff7653a5bd019c3a99dcdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b282a253d77a38c760745bb2782c8567ad981c9efc145c18b560c0c0bd90b1fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-03-19T14:25:56Z",
    "title_canon_sha256": "6415c37edd248359ded22fcd04d3a4099c05410762dcb21745ee8a41ac4cc6db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4116",
    "kind": "arxiv",
    "version": 2
  }
}