Pith Number

pith:BGMF5ZNC

pith:2017:BGMF5ZNC3KQBEQLKXVWM5AOJ7K

not attested not anchored not stored refs pending

The theory of parametrically amplified electron-phonon superconductivity

Eugene Demler, Gil Refael, Ivar Martin, Mehrtash Babadi, Michael Knap

arxiv:1702.02531 v1 · 2017-02-08 · cond-mat.supr-con · cond-mat.mtrl-sci · 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{BGMF5ZNC3KQBEQLKXVWM5AOJ7K}

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	2026-05-18T00:39:37.046436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09985ee5a2daa012416abd6cce81c9fab407f1204d3d2aa8cb18b4105a63e65a

Aliases

arxiv: 1702.02531 · arxiv_version: 1702.02531v1 · doi: 10.48550/arxiv.1702.02531 · pith_short_12: BGMF5ZNC3KQB · pith_short_16: BGMF5ZNC3KQBEQLK · pith_short_8: BGMF5ZNC

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/BGMF5ZNC3KQBEQLKXVWM5AOJ7K \
  | 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: 09985ee5a2daa012416abd6cce81c9fab407f1204d3d2aa8cb18b4105a63e65a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f5dd07a7afeb9db1d524a3235a3d204c35b0f043d93710da5aefecc0eed5520",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2017-02-08T17:22:28Z",
    "title_canon_sha256": "c3af5fba448cbf1556ab8f7f8d7a8b0dc9f33ad3f6185cea8cee3325fec9f331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02531",
    "kind": "arxiv",
    "version": 1
  }
}