Pith Number

pith:QRXUPODQ

pith:2015:QRXUPODQNJJDDS33M65LLUS5LV

not attested not anchored not stored refs pending

Frank Discussion of the Status of Ground-state Orbital-free DFT

S.B. Trickey, Valentin V. Karasiev

arxiv:1502.04017 v1 · 2015-02-13 · 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{QRXUPODQNJJDDS33M65LLUS5LV}

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	2026-05-18T01:23:08.632005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846f47b8706a5231cb7b67bab5d25d5d4b7651c050512f9be45585d841a23898

Aliases

arxiv: 1502.04017 · arxiv_version: 1502.04017v1 · doi: 10.48550/arxiv.1502.04017 · pith_short_12: QRXUPODQNJJD · pith_short_16: QRXUPODQNJJDDS33 · pith_short_8: QRXUPODQ

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/QRXUPODQNJJDDS33M65LLUS5LV \
  | 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: 846f47b8706a5231cb7b67bab5d25d5d4b7651c050512f9be45585d841a23898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f16009dbdff8144c2a88e0b9f19df4a00f1ab5c036ebf4e1e8eda3191ac8a1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-02-13T14:58:08Z",
    "title_canon_sha256": "7901edf050e99aafd985d59aa0cfee93ca09a458bfd53879c663c4508fc25d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04017",
    "kind": "arxiv",
    "version": 1
  }
}