Pith Number

pith:YCDRKZD5

pith:2015:YCDRKZD5IYGMDNVE7BYQS37N3S

not attested not anchored not stored refs pending

Functional error estimators for the adaptive discretization of inverse problems

Barbara Kaltenbacher, Christian Clason, Daniel Wachsmuth

arxiv:1507.08077 v6 · 2015-07-29 · math.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCDRKZD5IYGMDNVE7BYQS37N3S}

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	2026-05-18T00:51:01.504597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c08715647d460cc1b6a4f871096feddc8f958f314fd1da7abcfd4da1af52ad74

Aliases

arxiv: 1507.08077 · arxiv_version: 1507.08077v6 · doi: 10.48550/arxiv.1507.08077 · pith_short_12: YCDRKZD5IYGM · pith_short_16: YCDRKZD5IYGMDNVE · pith_short_8: YCDRKZD5

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/YCDRKZD5IYGMDNVE7BYQS37N3S \
  | 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: c08715647d460cc1b6a4f871096feddc8f958f314fd1da7abcfd4da1af52ad74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcb8ca06fbcea4f8a90605acb0b1d220e30ff2c874007f9e317609aa5d47a3d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-29T09:32:33Z",
    "title_canon_sha256": "d248a29bed02c4e77c10b6d9857318e14954f79e1e614f437296b4a14efe6887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08077",
    "kind": "arxiv",
    "version": 6
  }
}