Pith Number

pith:NPD6NJX4

pith:2017:NPD6NJX4PTL5PX6BF2PIIDU6MT

not attested not anchored not stored refs pending

A function space framework for structural total variation regularization with applications in inverse problems

Kostas Papafitsoros, Martin Holler, Michael Hinterm\"uller

arxiv:1710.01527 v1 · 2017-10-04 · 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{NPD6NJX4PTL5PX6BF2PIIDU6MT}

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	2026-05-18T00:15:20.716186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc7e6a6fc7cd7d7dfc12e9e840e9e64e7f8ea260976977205c962b335159f03

Aliases

arxiv: 1710.01527 · arxiv_version: 1710.01527v1 · doi: 10.48550/arxiv.1710.01527 · pith_short_12: NPD6NJX4PTL5 · pith_short_16: NPD6NJX4PTL5PX6B · pith_short_8: NPD6NJX4

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/NPD6NJX4PTL5PX6BF2PIIDU6MT \
  | 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: 6bc7e6a6fc7cd7d7dfc12e9e840e9e64e7f8ea260976977205c962b335159f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de1c6231e12cf5a8151c45f902a2856bdb008c03ff69066516994836897eb38f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-04T10:16:57Z",
    "title_canon_sha256": "3ce72d92435355e4f770937e7201b7ec60649505ebbacbadbde9218171ca6544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01527",
    "kind": "arxiv",
    "version": 1
  }
}