Pith Number

pith:W6GCH5N3

pith:2011:W6GCH5N3XM5OOGCNU7MZ2VCGSA

not attested not anchored not stored refs pending

To use or not to use cool superconductors?

A. Gurevich

arxiv:1109.6307 v1 · 2011-09-28 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6GCH5N3XM5OOGCNU7MZ2VCGSA}

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	2026-05-18T02:00:21.915289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78c23f5bbbb3ae7184da7d99d5446903c7adb7e2be4738248b789da5c8c28a1

Aliases

arxiv: 1109.6307 · arxiv_version: 1109.6307v1 · doi: 10.48550/arxiv.1109.6307 · pith_short_12: W6GCH5N3XM5O · pith_short_16: W6GCH5N3XM5OOGCN · pith_short_8: W6GCH5N3

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/W6GCH5N3XM5OOGCNU7MZ2VCGSA \
  | 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: b78c23f5bbbb3ae7184da7d99d5446903c7adb7e2be4738248b789da5c8c28a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc59ed7f918505e3f5f0b8953d9d15fe08d68fc331c1556b261682ed66fb6ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-09-28T19:33:05Z",
    "title_canon_sha256": "97a4b54af6263aab492f200d662584005e81d1fbdd1c8dfe9384b3cf1678a227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6307",
    "kind": "arxiv",
    "version": 1
  }
}