Pith Number

pith:FWMQIXSO

pith:2011:FWMQIXSO2N6WXTLEOK2YDYJA5H

not attested not anchored not stored refs pending

ENO reconstruction and ENO interpolation are stable

Eitan Tadmor, Siddhartha Mishra, Ulrik S. Fjordholm

arxiv:1112.1131 v1 · 2011-12-06 · 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{FWMQIXSO2N6WXTLEOK2YDYJA5H}

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	2026-05-18T00:09:31.760599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d99045e4ed37d6bcd6472b581e120e9dc1a1358e1bbb4731cd0c99873c55ec7

Aliases

arxiv: 1112.1131 · arxiv_version: 1112.1131v1 · doi: 10.48550/arxiv.1112.1131 · pith_short_12: FWMQIXSO2N6W · pith_short_16: FWMQIXSO2N6WXTLE · pith_short_8: FWMQIXSO

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/FWMQIXSO2N6WXTLEOK2YDYJA5H \
  | 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: 2d99045e4ed37d6bcd6472b581e120e9dc1a1358e1bbb4731cd0c99873c55ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d44168a592292bc72e85820d20229c3a603e0f1efdeef1ccccf32e73c759247",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-12-06T00:31:15Z",
    "title_canon_sha256": "7a8d547793aa61aaeebb7e95a5aa6d4e1cf8413aa351eab8fdfdf5658dabfff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1131",
    "kind": "arxiv",
    "version": 1
  }
}