Pith Number

pith:5T7P6POC

pith:2015:5T7P6POCAFSUG2EVFVHXQBXMC4

not attested not anchored not stored refs pending

Pekar's Ansatz and the Strong Coupling Problem in Polaron Theory

V.D. Lakhno

arxiv:1505.01699 v1 · 2015-05-07 · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5T7P6POCAFSUG2EVFVHXQBXMC4}

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	2026-05-18T01:06:24.673107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecfeff3dc201654368952d4f7806ec1712dff3739e6e157550ca326a5d7537bf

Aliases

arxiv: 1505.01699 · arxiv_version: 1505.01699v1 · doi: 10.48550/arxiv.1505.01699 · pith_short_12: 5T7P6POCAFSU · pith_short_16: 5T7P6POCAFSUG2EV · pith_short_8: 5T7P6POC

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/5T7P6POCAFSUG2EVFVHXQBXMC4 \
  | 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: ecfeff3dc201654368952d4f7806ec1712dff3739e6e157550ca326a5d7537bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa47bcea2e9374d63f72e3a8a580d54dccf4265987e090af9689925619c99f05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2015-05-07T13:40:36Z",
    "title_canon_sha256": "de0f6bcefe991bc0b1586766d8db8dc472dcae17639f152f9f422c3f9d6b98a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01699",
    "kind": "arxiv",
    "version": 1
  }
}