Pith Number

pith:EVVZSFVG

pith:2022:EVVZSFVGHZCMFUDIVLT7JCRMHO

not attested not anchored not stored refs pending

Multi-Material Blind Beam Hardening Correction Based on Non-Linearity Adjustment of Projections

Ammar Alsaffar, Kaicong Sun, Sven Simon

arxiv:2203.04587 v1 · 2022-03-09 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVVZSFVGHZCMFUDIVLT7JCRMHO}

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	2026-07-05T04:03:20.277176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256b9916a63e44c2d068aae7f48a2c3b8a613234a7ed11a11641d1dff6584fab

Aliases

arxiv: 2203.04587 · arxiv_version: 2203.04587v1 · doi: 10.48550/arxiv.2203.04587 · pith_short_12: EVVZSFVGHZCM · pith_short_16: EVVZSFVGHZCMFUDI · pith_short_8: EVVZSFVG

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/EVVZSFVGHZCMFUDIVLT7JCRMHO \
  | 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: 256b9916a63e44c2d068aae7f48a2c3b8a613234a7ed11a11641d1dff6584fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5acc07c349ed7ac16d93edb1f9f0eca324b107ccf3541c464a182726209ef59a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-03-09T09:10:33Z",
    "title_canon_sha256": "9790a26e6169c683f7f25ee71c0fe4576940ea97cc15377fbddf7684f6902c53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.04587",
    "kind": "arxiv",
    "version": 1
  }
}