Pith Number

pith:UP3DGTG4

pith:2015:UP3DGTG4GXJ7CSE7JEFUWHGW5B

not attested not anchored not stored refs pending

Bregman Distances in Inverse Problems and Partial Differential Equation

Martin Burger

arxiv:1505.05191 v1 · 2015-05-19 · 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{UP3DGTG4GXJ7CSE7JEFUWHGW5B}

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	2026-05-18T02:03:59.155417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f6334cdc35d3f1489f490b4b1cd6e850ed99d91ad7f0263de819c3e1bed3c2

Aliases

arxiv: 1505.05191 · arxiv_version: 1505.05191v1 · doi: 10.48550/arxiv.1505.05191 · pith_short_12: UP3DGTG4GXJ7 · pith_short_16: UP3DGTG4GXJ7CSE7 · pith_short_8: UP3DGTG4

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/UP3DGTG4GXJ7CSE7JEFUWHGW5B \
  | 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: a3f6334cdc35d3f1489f490b4b1cd6e850ed99d91ad7f0263de819c3e1bed3c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554d8c64035b1a547ecf76635212b86415fdc79e95f7ade83181dbaaea33c0ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-05-19T21:17:38Z",
    "title_canon_sha256": "ec286ec516f954cee247c802b6203142bd0e642433cb5e60d6ad43c65ae936b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05191",
    "kind": "arxiv",
    "version": 1
  }
}