Pith Number

pith:5MLAX6SP

pith:2013:5MLAX6SP547ZLBSBQFB2PUCEHM

not attested not anchored not stored refs pending

Goal oriented adaptivity in the IRGNM for parameter identification in PDEs II: all-at once formulations

Alana Kirchner, Barbara Kaltenbacher, Boris Vexler

arxiv:1310.6576 v1 · 2013-10-24 · 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{5MLAX6SP547ZLBSBQFB2PUCEHM}

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	2026-05-18T00:07:56.001180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb160bfa4fef3f9586418143a7d0443b0c3373eb3990c06cef980a44882afc53

Aliases

arxiv: 1310.6576 · arxiv_version: 1310.6576v1 · doi: 10.48550/arxiv.1310.6576 · pith_short_12: 5MLAX6SP547Z · pith_short_16: 5MLAX6SP547ZLBSB · pith_short_8: 5MLAX6SP

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/5MLAX6SP547ZLBSBQFB2PUCEHM \
  | 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: eb160bfa4fef3f9586418143a7d0443b0c3373eb3990c06cef980a44882afc53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f4d364deff38faa4c86ce722bed7812b338e5f9085075dcefb73ce0aa7ada4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-10-24T11:58:58Z",
    "title_canon_sha256": "64fe7cf42805bde2dca58194913308d80111a81a716658791d6d4ffb3fbcd86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6576",
    "kind": "arxiv",
    "version": 1
  }
}