Pith Number

pith:7Q3VPTD3

pith:2018:7Q3VPTD3PMKLGTETR3DNHAYP35

not attested not anchored not stored refs pending

A local fingerprint for hydrophobicity and hydrophilicity: from methane to peptides

Michele Parrinello, Pablo M. Piaggi, S. P\'erez-Conesa

arxiv:1808.09712 v4 · 2018-08-29 · physics.chem-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{7Q3VPTD3PMKLGTETR3DNHAYP35}

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	2026-05-17T23:42:29.816567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3757cc7b7b14b34c938ec6d3830fdf63146bde84376c70e2b67bda5993eb8c

Aliases

arxiv: 1808.09712 · arxiv_version: 1808.09712v4 · doi: 10.48550/arxiv.1808.09712 · pith_short_12: 7Q3VPTD3PMKL · pith_short_16: 7Q3VPTD3PMKLGTET · pith_short_8: 7Q3VPTD3

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/7Q3VPTD3PMKLGTETR3DNHAYP35 \
  | 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: fc3757cc7b7b14b34c938ec6d3830fdf63146bde84376c70e2b67bda5993eb8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae61d2c8464a5f5638182e92311c590b5fb1c391042d1fdbc1aed59b3f0a71d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-08-29T10:15:04Z",
    "title_canon_sha256": "209b74b012b2afea5ebb287b0b90ba1fa9540e7250f45dab8629fbfaf9831cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09712",
    "kind": "arxiv",
    "version": 4
  }
}