Pith Number

pith:PQEFRB7T

pith:2009:PQEFRB7TT6V4JNAEIL7YO4RQXC

not attested not anchored not stored refs pending

Hubbard-U Band-Structure Methods

A. Svane, N. E. Christensen, R. C. Albers

arxiv:0907.1028 v1 · 2009-07-06 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQEFRB7TT6V4JNAEIL7YO4RQXC}

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	2026-07-04T15:48:25.070425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c085887f39fabc4b40442ff877230b8a3cc3a328668b90440d2df29a02f0e70

Aliases

arxiv: 0907.1028 · arxiv_version: 0907.1028v1 · doi: 10.48550/arxiv.0907.1028 · pith_short_12: PQEFRB7TT6V4 · pith_short_16: PQEFRB7TT6V4JNAE · pith_short_8: PQEFRB7T

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/PQEFRB7TT6V4JNAEIL7YO4RQXC \
  | 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: 7c085887f39fabc4b40442ff877230b8a3cc3a328668b90440d2df29a02f0e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f7d1f204a178b94e41ee5fbc1e41f782ad65dfa118d4a49b222b0b438983d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-07-06T16:03:58Z",
    "title_canon_sha256": "98407edbbd6505d892ca54613eadb68a4be12f6d4c872ec560dbd54a3a36b900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1028",
    "kind": "arxiv",
    "version": 1
  }
}