Pith Number

pith:4HQKGMDD

pith:2018:4HQKGMDDJYGD3P2PT6JN7K2RZP

not attested not anchored not stored refs pending

Enhancing Compressed Sensing 4D Photoacoustic Tomography by Simultaneous Motion Estimation

Ben Cox, Edward Zhang, Felix Lucka, Marta Betcke, Nam Huynh, Paul Beard, Simon Arridge

arxiv:1802.05184 v3 · 2018-02-14 · math.NA · cs.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{4HQKGMDDJYGD3P2PT6JN7K2RZP}

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	2026-06-04T19:11:31.132020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e0a330634e0c3dbf4f9f92dfab51cbf2a595cbd6df5d774550408606afd87a

Aliases

arxiv: 1802.05184 · arxiv_version: 1802.05184v3 · doi: 10.48550/arxiv.1802.05184 · pith_short_12: 4HQKGMDDJYGD · pith_short_16: 4HQKGMDDJYGD3P2P · pith_short_8: 4HQKGMDD

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/4HQKGMDDJYGD3P2PT6JN7K2RZP \
  | 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: e1e0a330634e0c3dbf4f9f92dfab51cbf2a595cbd6df5d774550408606afd87a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad86f79acb4ad2fd31e8b40495c9c69d25f75f1c82ab45f8ff5a486f0b5727cf",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-14T16:20:52Z",
    "title_canon_sha256": "657db6906fc9c14c2ebabd4ce8b387f84698274565fcc1d50a112bc6de7ee2c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05184",
    "kind": "arxiv",
    "version": 3
  }
}