Pith Number

pith:ER2Q4P44

pith:2018:ER2Q4P44RSXDNAWH6EUHVUZRI4

not attested not anchored not stored refs pending

Pocket Guide to Solve Inverse Problems with GlobalBioIm

Daniel Sage, Emmanuel Soubies, Ferr\'eol Soulez, Laur\`ene Donati, Michael T. McCann, Michael Unser, Thanh-An Pham, Thomas Debarre

arxiv:1812.07908 v2 · 2018-12-19 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ER2Q4P44RSXDNAWH6EUHVUZRI4}

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	2026-07-05T06:49:13.064803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24750e3f9c8cae3682c7f1287ad331471c840ec8d9675be656e3ddea4fed7c43

Aliases

arxiv: 1812.07908 · arxiv_version: 1812.07908v2 · doi: 10.48550/arxiv.1812.07908 · pith_short_12: ER2Q4P44RSXD · pith_short_16: ER2Q4P44RSXDNAWH · pith_short_8: ER2Q4P44

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/ER2Q4P44RSXDNAWH6EUHVUZRI4 \
  | 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: 24750e3f9c8cae3682c7f1287ad331471c840ec8d9675be656e3ddea4fed7c43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6188112177e9ff305e555e57686a488bb0060241378632f2edd37eb558db57d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-12-19T12:25:06Z",
    "title_canon_sha256": "dc47c08a9c655ce3c52e1f2a91c94387ac3e7625247056dab2c0e8bf2ed9a94d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07908",
    "kind": "arxiv",
    "version": 2
  }
}