Pith Number

pith:AFNPDTXZ

pith:2011:AFNPDTXZEABW6SD2XZERR5VVF6

not attested not anchored not stored refs pending

Beware of the pseudogap

Dirk van der Marel

arxiv:1102.3990 v1 · 2011-02-19 · 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{AFNPDTXZEABW6SD2XZERR5VVF6}

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	2026-05-18T02:03:07.548904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015af1cef920036f487abe4918f6b52fab3ac5f649d306660039ac1621e5347b

Aliases

arxiv: 1102.3990 · arxiv_version: 1102.3990v1 · doi: 10.48550/arxiv.1102.3990 · pith_short_12: AFNPDTXZEABW · pith_short_16: AFNPDTXZEABW6SD2 · pith_short_8: AFNPDTXZ

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/AFNPDTXZEABW6SD2XZERR5VVF6 \
  | 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: 015af1cef920036f487abe4918f6b52fab3ac5f649d306660039ac1621e5347b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b32427dd5227a0795ae3c210ee8b1abde9b333f6c32c3b6849c0503c13a29b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-02-19T13:56:11Z",
    "title_canon_sha256": "3a81870eee30273e12154e3e8d407cd541acf82994820cdafab8c9346d41c71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3990",
    "kind": "arxiv",
    "version": 1
  }
}