Pith Number

pith:7EAN7YAI

pith:2016:7EAN7YAIBC5EAYZXNKDS6K6QPX

not attested not anchored not stored refs pending

Contrast independent localization of multiscale problems

Axel M{\aa}lqvist, Fredrik Hellman

arxiv:1610.07398 v2 · 2016-10-24 · 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{7EAN7YAIBC5EAYZXNKDS6K6QPX}

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	2026-05-18T00:48:05.405111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f900dfe00808ba4063376a872f2bd07dcca7bf15d3b6de4ef06e0f98f0e8cb48

Aliases

arxiv: 1610.07398 · arxiv_version: 1610.07398v2 · doi: 10.48550/arxiv.1610.07398 · pith_short_12: 7EAN7YAIBC5E · pith_short_16: 7EAN7YAIBC5EAYZX · pith_short_8: 7EAN7YAI

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/7EAN7YAIBC5EAYZXNKDS6K6QPX \
  | 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: f900dfe00808ba4063376a872f2bd07dcca7bf15d3b6de4ef06e0f98f0e8cb48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4454987ac7378267a0440aced2ce2c71904ac3a9d87b5d5c8f818653bf98db9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-24T13:19:48Z",
    "title_canon_sha256": "e0e92b1f9af7b4c64ef3b2246ff4e4c57a54336310fd38c1160b9851341e4251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07398",
    "kind": "arxiv",
    "version": 2
  }
}