Pith Number

pith:CUTCS7T5

pith:2012:CUTCS7T5IA3XCOGX43A2AUBTFP

not attested not anchored not stored refs pending

Automated goal-oriented error control I: stationary variational problems

Anders Logg, Marie E. Rognes

arxiv:1204.6643 v1 · 2012-04-30 · 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{CUTCS7T5IA3XCOGX43A2AUBTFP}

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	2026-05-18T03:56:44.224958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1526297e7d40377138d7e6c1a050332bfbd6aab88f721aaa8df6eea71ade21dc

Aliases

arxiv: 1204.6643 · arxiv_version: 1204.6643v1 · doi: 10.48550/arxiv.1204.6643 · pith_short_12: CUTCS7T5IA3X · pith_short_16: CUTCS7T5IA3XCOGX · pith_short_8: CUTCS7T5

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/CUTCS7T5IA3XCOGX43A2AUBTFP \
  | 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: 1526297e7d40377138d7e6c1a050332bfbd6aab88f721aaa8df6eea71ade21dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d796bcfbbe60fae176769e2fc18d3279fef7f45a7dca62a2d620c06823d38d6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-04-30T14:12:31Z",
    "title_canon_sha256": "7392a562535e9ef1f2f1d1ea6d8a064bed7869f5047b19a0c864bde0c197aebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6643",
    "kind": "arxiv",
    "version": 1
  }
}