Pith Number

pith:EIIDBCVC

pith:2010:EIIDBCVC5Q4GSARLEUBED4XKCX

not attested not anchored not stored refs pending

First-Principles Study of a Positron Immersed in an Electron Gas

C. J. Pickard, N. D. Drummond, P. Lopez Rios, R. J. Needs

arxiv:1002.4748 v1 · 2010-02-25 · cond-mat.mes-hall · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIIDBCVC5Q4GSARLEUBED4XKCX}

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	2026-05-18T04:31:22.575225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2210308aa2ec3869022b250241f2ea15f226b25b4c3e223ac435c08597e80836

Aliases

arxiv: 1002.4748 · arxiv_version: 1002.4748v1 · doi: 10.48550/arxiv.1002.4748 · pith_short_12: EIIDBCVC5Q4G · pith_short_16: EIIDBCVC5Q4GSARL · pith_short_8: EIIDBCVC

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/EIIDBCVC5Q4GSARLEUBED4XKCX \
  | 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: 2210308aa2ec3869022b250241f2ea15f226b25b4c3e223ac435c08597e80836

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05fd1682d28dcca621ea9610699aaca6e163ac271fbf7fb68b81b5690e8e66ea",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-02-25T16:04:24Z",
    "title_canon_sha256": "7f8452043cfbe92341ffddb758609424f357cbf72487f1ff48b3f5904bc45307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4748",
    "kind": "arxiv",
    "version": 1
  }
}