Pith Number

pith:OUTQYZIT

pith:2009:OUTQYZITJQVFK22OZ3HEV5JE44

not attested not anchored not stored refs pending

Core reconstruction in pseudopotential calculations

D. M. Bird, J. R. Trail

arxiv:0909.5490 v1 · 2009-09-30 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUTQYZITJQVFK22OZ3HEV5JE44}

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	2026-05-18T02:11:36.184583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75270c65134c2a556b4ecece4af524e736bff931971c6797bfb6468948e43618

Aliases

arxiv: 0909.5490 · arxiv_version: 0909.5490v1 · doi: 10.48550/arxiv.0909.5490 · pith_short_12: OUTQYZITJQVF · pith_short_16: OUTQYZITJQVFK22O · pith_short_8: OUTQYZIT

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/OUTQYZITJQVFK22OZ3HEV5JE44 \
  | 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: 75270c65134c2a556b4ecece4af524e736bff931971c6797bfb6468948e43618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a86a6a001a37cbdebddff05b46b79c298c97158949ff7c0e4fc17fff9943c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-09-30T04:57:18Z",
    "title_canon_sha256": "2c428b2291ebc4d09e97fefeaaa04db433238b7c7a03bb6ea9f4b7f8ba50d49e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5490",
    "kind": "arxiv",
    "version": 1
  }
}