Pith Number

pith:OE6ZTJGN

pith:2013:OE6ZTJGNQ2ZEO4PGZPAM2USZQS

not attested not anchored not stored refs pending

Optimized norm-conserving Vanderbilt pseudopotentials

D. R. Hamann

arxiv:1306.4707 v1 · 2013-06-19 · 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{OE6ZTJGNQ2ZEO4PGZPAM2USZQS}

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	2026-05-18T01:49:14.591932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

713d99a4cd86b24771e6cbc0cd525984bd916f8ad0ec91055f25a1d20d1b8eed

Aliases

arxiv: 1306.4707 · arxiv_version: 1306.4707v1 · doi: 10.48550/arxiv.1306.4707 · pith_short_12: OE6ZTJGNQ2ZE · pith_short_16: OE6ZTJGNQ2ZEO4PG · pith_short_8: OE6ZTJGN

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/OE6ZTJGNQ2ZEO4PGZPAM2USZQS \
  | 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: 713d99a4cd86b24771e6cbc0cd525984bd916f8ad0ec91055f25a1d20d1b8eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00fc757433de3f21a73a49403b7122e5bbadfd662646591be4f048c5cdaec7b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-06-19T21:53:27Z",
    "title_canon_sha256": "b9107eca641cbee7eb98ffd8bc12fc89f0262f40b8ff573714f90d20dea08b45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4707",
    "kind": "arxiv",
    "version": 1
  }
}