Pith Number

pith:ZB5ZWIAP

pith:2013:ZB5ZWIAPB7BFTP6V2MOOGPIJOI

not attested not anchored not stored refs pending

Singularity of the London penetration depth at quantum critical points in superconductors

Brian Swingle, Debanjan Chowdhury, Erez Berg, Subir Sachdev

arxiv:1305.2918 v2 · 2013-05-13 · cond-mat.str-el · cond-mat.stat-mech · cond-mat.supr-con · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZB5ZWIAPB7BFTP6V2MOOGPIJOI}

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	2026-05-18T03:10:47.694636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c87b9b200f0fc259bfd5d31ce33d0972042b9039ee7e3972b70268c210a55f5c

Aliases

arxiv: 1305.2918 · arxiv_version: 1305.2918v2 · doi: 10.48550/arxiv.1305.2918 · pith_short_12: ZB5ZWIAPB7BF · pith_short_16: ZB5ZWIAPB7BFTP6V · pith_short_8: ZB5ZWIAP

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/ZB5ZWIAPB7BFTP6V2MOOGPIJOI \
  | 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: c87b9b200f0fc259bfd5d31ce33d0972042b9039ee7e3972b70268c210a55f5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2928532806d506a05be4ec66af26591c202d3adfc5b0e618239257d284fa47f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.supr-con",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-05-13T20:00:01Z",
    "title_canon_sha256": "0548849085d48a5a2deeac9c4c7b2f2b4a83871621340e0338092feadb0c7bd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2918",
    "kind": "arxiv",
    "version": 2
  }
}