Pith Number

pith:HJKGP52G

pith:2019:HJKGP52GWCWAM6KRHPYFMWSEJP

not attested not anchored not stored refs pending

An Atomistic First-Principles Density Functional Theory Model for Single Layer Dry \textit{Stratum Corneum}

Daniele R. Ara\'ujo, Erika T. Sato, Herculano Martinho, Luciana C. Paulino, Neila Machado

arxiv:1907.02590 v1 · 2019-07-04 · cond-mat.soft · physics.bio-ph · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJKGP52GWCWAM6KRHPYFMWSEJP}

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	2026-05-17T23:41:23.853570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a5467f746b0ac0679513bf0565a444bfa07b2b5c293b1cc15d21a3578433ee8

Aliases

arxiv: 1907.02590 · arxiv_version: 1907.02590v1 · doi: 10.48550/arxiv.1907.02590 · pith_short_12: HJKGP52GWCWA · pith_short_16: HJKGP52GWCWAM6KR · pith_short_8: HJKGP52G

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/HJKGP52GWCWAM6KRHPYFMWSEJP \
  | 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: 3a5467f746b0ac0679513bf0565a444bfa07b2b5c293b1cc15d21a3578433ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "755e8e610bb1fa41065d7ececf320fbed3acb5fda616d4073d249ae9e0523717",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-07-04T20:57:32Z",
    "title_canon_sha256": "8b1f6e4d4536c8c20b45a2f313d542620c8bf7d6a378e512ad91953f429f2067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02590",
    "kind": "arxiv",
    "version": 1
  }
}