Pith Number

pith:ODTROZMZ

pith:2007:ODTROZMZFH7EUOTO6DY4NY5BAU

not attested not anchored not stored refs pending

Mixed finite element methods for linear elasticity with weakly imposed symmetry

Douglas N. Arnold, Ragnar Winther, Richard S. Falk

arxiv:math/0701506 v1 · 2007-01-18 · 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{ODTROZMZFH7EUOTO6DY4NY5BAU}

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	2026-05-18T03:00:50.199900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e717659929fe4a3a6ef0f1c6e3a1051667bd18821d264c6b5300ccc6db343d

Aliases

arxiv: math/0701506 · arxiv_version: math/0701506v1 · doi: 10.48550/arxiv.math/0701506 · pith_short_12: ODTROZMZFH7E · pith_short_16: ODTROZMZFH7EUOTO · pith_short_8: ODTROZMZ

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/ODTROZMZFH7EUOTO6DY4NY5BAU \
  | 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: 70e717659929fe4a3a6ef0f1c6e3a1051667bd18821d264c6b5300ccc6db343d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34f5762832fa3fde9f64e256f905633a617b1819c2ea47f3f549ff0fc6199dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-01-18T15:17:10Z",
    "title_canon_sha256": "be8be66a6c6439d861bf3068cdf9c716d5fcabd6bed24c68e438ee10fb4377e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701506",
    "kind": "arxiv",
    "version": 1
  }
}