Pith Number

pith:KUUOICYA

pith:2016:KUUOICYAAUH5NNCETUHTKBGLGO

not attested not anchored not stored refs pending

On the Singular Neumann Problem in Linear Elasticity

Kent-Andre Mardal, Mikael Mortensen, Miroslav Kuchta

arxiv:1609.09425 v2 · 2016-09-29 · 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{KUUOICYAAUH5NNCETUHTKBGLGO}

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	2026-05-18T00:05:05.869120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5528e40b00050fd6b4449d0f3504cb33bf9233a43b4337fcc58daf93e6c41ebb

Aliases

arxiv: 1609.09425 · arxiv_version: 1609.09425v2 · doi: 10.48550/arxiv.1609.09425 · pith_short_12: KUUOICYAAUH5 · pith_short_16: KUUOICYAAUH5NNCE · pith_short_8: KUUOICYA

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/KUUOICYAAUH5NNCETUHTKBGLGO \
  | 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: 5528e40b00050fd6b4449d0f3504cb33bf9233a43b4337fcc58daf93e6c41ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff13733c48192f69c9ee223d3e15cd0e6adc9c157bc568a1362801cd52953f58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-29T16:56:07Z",
    "title_canon_sha256": "c42d90d69da5d2c298acce5d19e570cd61e40bacde8e01b8a2397be44b86edd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09425",
    "kind": "arxiv",
    "version": 2
  }
}