Pith Number

pith:HCOAAN3P

pith:2012:HCOAAN3PUOV6HJMIAOSL4XS65J

not attested not anchored not stored refs pending

Simple variational approaches to quantum wells

Francisco M. Fern\'andez

arxiv:1204.0783 v1 · 2012-04-03 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCOAAN3PUOV6HJMIAOSL4XS65J}

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	2026-05-18T03:58:37.789253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389c00376fa3abe3a58803a4be5e5eea703d75e9177a60a0c26f012b559a0582

Aliases

arxiv: 1204.0783 · arxiv_version: 1204.0783v1 · doi: 10.48550/arxiv.1204.0783 · pith_short_12: HCOAAN3PUOV6 · pith_short_16: HCOAAN3PUOV6HJMI · pith_short_8: HCOAAN3P

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/HCOAAN3PUOV6HJMIAOSL4XS65J \
  | 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: 389c00376fa3abe3a58803a4be5e5eea703d75e9177a60a0c26f012b559a0582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f4ac182265066abf18374a752fc0bf16288f0d97376e364c025913c1a246cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-03T19:23:39Z",
    "title_canon_sha256": "1db1855bcef5c7f95621ec679135f77e56bf22cb797d6b1b6bef481c33021a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0783",
    "kind": "arxiv",
    "version": 1
  }
}