Pith Number

pith:5BIV34HD

pith:2023:5BIV34HDEEVMQQ4POWHTHJPQ7P

not attested not anchored not stored refs pending

Multi-contrast x-ray identification of inhomogeneous materials and their discrimination through deep learning approaches

Alberto Astolfo, Alessandro Olivo, David Bate, Ian Buchanan, Peter Modregger, Sukrit S. Shankar, Thomas Partridge

arxiv:2309.11943 v1 · 2023-09-21 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BIV34HDEEVMQQ4POWHTHJPQ7P}

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	2026-07-05T06:52:56.664483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8515df0e3212ac8438f758f33a5f0fbe1048395a90da6d3fd5ed462debe71d6

Aliases

arxiv: 2309.11943 · arxiv_version: 2309.11943v1 · doi: 10.48550/arxiv.2309.11943 · pith_short_12: 5BIV34HDEEVM · pith_short_16: 5BIV34HDEEVMQQ4P · pith_short_8: 5BIV34HD

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/5BIV34HDEEVMQQ4POWHTHJPQ7P \
  | 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: e8515df0e3212ac8438f758f33a5f0fbe1048395a90da6d3fd5ed462debe71d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995d418288146eaf2a4c891ab64de08dd127369d7f2a154fc1c7ef784b0cfd28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2023-09-21T09:58:28Z",
    "title_canon_sha256": "268dc8725419875acd7d4589098798cf4ebffa8be4004809eb576223152be179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.11943",
    "kind": "arxiv",
    "version": 1
  }
}