Pith Number

pith:YCS2ZYVI

pith:2008:YCS2ZYVI234752P5FXA43NQYAV

not attested not anchored not stored refs pending

The Suprafroth (Superconducting Froth)

Andrew F. Fidler, Jacob Hoberg, Paul C. Canfield, Ruslan Prozorov

arxiv:0801.1922 v1 · 2008-01-13 · 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{YCS2ZYVI234752P5FXA43NQYAV}

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	2026-07-04T15:37:04.137662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a5ace2a8d6f9fee9fd2dc1cdb6180571c04584c8098ede4672f1b8adc6619d

Aliases

arxiv: 0801.1922 · arxiv_version: 0801.1922v1 · doi: 10.48550/arxiv.0801.1922 · pith_short_12: YCS2ZYVI2347 · pith_short_16: YCS2ZYVI234752P5 · pith_short_8: YCS2ZYVI

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/YCS2ZYVI234752P5FXA43NQYAV \
  | 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: c0a5ace2a8d6f9fee9fd2dc1cdb6180571c04584c8098ede4672f1b8adc6619d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "472dc3a5111a3f58bda6aa7af52370fcb966ba8b4d1b79745e896b636eaf128d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-01-13T16:07:28Z",
    "title_canon_sha256": "cd88fd4f6cb9e35c31777ec9f29028a9ae2f618d434fe1e540a1880c45e5cb0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1922",
    "kind": "arxiv",
    "version": 1
  }
}