Pith Number

pith:NS2WZS5H

pith:2018:NS2WZS5HYK7IEMROGS72HFGVXE

not attested not anchored not stored refs pending

Robust error estimation for lowest-order approximation of nearly incompressible elasticity

Arbaz Khan, Catherine E. Powell, David J. Silvester

arxiv:1801.04122 v1 · 2018-01-12 · 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{NS2WZS5HYK7IEMROGS72HFGVXE}

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	2026-05-18T00:26:11.799903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb56ccba7c2be82322e34bfa394d5b92b5e7829edbb98c463d59b070b37f59f

Aliases

arxiv: 1801.04122 · arxiv_version: 1801.04122v1 · doi: 10.48550/arxiv.1801.04122 · pith_short_12: NS2WZS5HYK7I · pith_short_16: NS2WZS5HYK7IEMRO · pith_short_8: NS2WZS5H

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/NS2WZS5HYK7IEMROGS72HFGVXE \
  | 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: 6cb56ccba7c2be82322e34bfa394d5b92b5e7829edbb98c463d59b070b37f59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff2010633d9f3ca4bbbeb04d32cee74e6accec3ed8d95d4d0bc3822d3e9258d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-12T10:20:40Z",
    "title_canon_sha256": "8fcd6e0aef49f3817b32f872e476e1fd83d417e8586df4fd3358438ee8be88a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04122",
    "kind": "arxiv",
    "version": 1
  }
}