Pith Number

pith:IRXG5HBU

pith:2005:IRXG5HBU4PNROKT7EJ4OW26LVQ

not attested not anchored not stored refs pending

The pseudogap: friend or foe of high Tc?

C. Kallin, D. Pines, M. R. Norman

arxiv:cond-mat/0507031 v2 · 2005-07-01 · 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{IRXG5HBU4PNROKT7EJ4OW26LVQ}

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	2026-05-18T01:06:52.524888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446e6e9c34e3db172a7f2278eb6bcbac3feb5390295eb370a9689297a2d88c98

Aliases

arxiv: cond-mat/0507031 · arxiv_version: cond-mat/0507031v2 · doi: 10.48550/arxiv.cond-mat/0507031 · pith_short_12: IRXG5HBU4PNR · pith_short_16: IRXG5HBU4PNROKT7 · pith_short_8: IRXG5HBU

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/IRXG5HBU4PNROKT7EJ4OW26LVQ \
  | 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: 446e6e9c34e3db172a7f2278eb6bcbac3feb5390295eb370a9689297a2d88c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "869ae61274eb98084ab5aa52bffb74c7bc34faa197cbbf1b0d35b131f741a4da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2005-07-01T17:05:02Z",
    "title_canon_sha256": "aff194adb91889f5ab117791618e3695ce8fa3c791c7ee6c0f0b17912035a8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0507031",
    "kind": "arxiv",
    "version": 2
  }
}