Pith Number

pith:HEIV3ODZ

pith:2011:HEIV3ODZHFNCNOMDFBQBKPOKAP

not attested not anchored not stored refs pending

First direct observation of the Van Hove singularity in the tunneling spectra of cuprates

A. Piriou, C. Berthod, I. Maggio-Aprile, N. Jenkins, {\O}. Fischer

arxiv:1103.0850 v1 · 2011-03-04 · cond-mat.supr-con · 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{HEIV3ODZHFNCNOMDFBQBKPOKAP}

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	2026-05-18T04:27:26.122843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39115db879395a26b9832860153dca03d5aeb62b7b3eaf970d7ecb585db64dcb

Aliases

arxiv: 1103.0850 · arxiv_version: 1103.0850v1 · doi: 10.48550/arxiv.1103.0850 · pith_short_12: HEIV3ODZHFNC · pith_short_16: HEIV3ODZHFNCNOMD · pith_short_8: HEIV3ODZ

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/HEIV3ODZHFNCNOMDFBQBKPOKAP \
  | 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: 39115db879395a26b9832860153dca03d5aeb62b7b3eaf970d7ecb585db64dcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c42e00ac065b7b286eb2ffef643349ddbe48bfdc2e4ac071cc3862e29f0f3f56",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-03-04T09:48:45Z",
    "title_canon_sha256": "0e9f70c25a1cc4c28d9723f3af814cd10223159f6a8bcf13c95a3cc4cf37f7bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0850",
    "kind": "arxiv",
    "version": 1
  }
}