Pith Number

pith:GSH77CSH

pith:2005:GSH77CSHABGN3Q2KDCLYFUXUJX

not attested not anchored not stored refs pending

Polarized Helium to Image the Lung

Mich\`ele Leduc (LKB - Lhomond), Pierre-Jean Nacher (LKB - Lhomond)

arxiv:physics/0501127 v1 · 2005-01-24 · physics.med-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{GSH77CSHABGN3Q2KDCLYFUXUJX}

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	2026-05-18T01:08:48.651679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348fff8a47004cddc34a189782d2f44ddd144b829126b0dceaa36e6fef362373

Aliases

arxiv: physics/0501127 · arxiv_version: physics/0501127v1 · doi: 10.48550/arxiv.physics/0501127 · pith_short_12: GSH77CSHABGN · pith_short_16: GSH77CSHABGN3Q2K · pith_short_8: GSH77CSH

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/GSH77CSHABGN3Q2KDCLYFUXUJX \
  | 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: 348fff8a47004cddc34a189782d2f44ddd144b829126b0dceaa36e6fef362373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d0d12e10458247e0f941f160a53b8967c7bce67e5c95cfd47bf75e13b18015",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2005-01-24T16:50:40Z",
    "title_canon_sha256": "57d6d398375d59b1da614884119b8ff21b8a328b9e3ed961ce46ad6459f2592d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0501127",
    "kind": "arxiv",
    "version": 1
  }
}